Algebra Examples

Simplify (3x-6)/(4-9x^2)-1/(3x-2)+1/(3x+2)
Step 1
Simplify each term.
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Step 1.1
Factor out of .
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Step 1.1.1
Factor out of .
Step 1.1.2
Factor out of .
Step 1.1.3
Factor out of .
Step 1.2
Simplify the denominator.
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Step 1.2.1
Rewrite as .
Step 1.2.2
Rewrite as .
Step 1.2.3
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 1.2.4
Multiply by .
Step 2
Find the common denominator.
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Step 2.1
Multiply by .
Step 2.2
Multiply by .
Step 2.3
Multiply by .
Step 2.4
Multiply by .
Step 2.5
Multiply by .
Step 2.6
Multiply by .
Step 2.7
Reorder the factors of .
Step 2.8
Reorder terms.
Step 2.9
Raise to the power of .
Step 2.10
Raise to the power of .
Step 2.11
Use the power rule to combine exponents.
Step 2.12
Add and .
Step 2.13
Rewrite as .
Step 2.14
Factor out of .
Step 2.15
Factor out of .
Step 2.16
Reorder terms.
Step 2.17
Raise to the power of .
Step 2.18
Raise to the power of .
Step 2.19
Use the power rule to combine exponents.
Step 2.20
Add and .
Step 2.21
Reorder the factors of .
Step 2.22
Rewrite as .
Step 2.23
Factor out of .
Step 2.24
Factor out of .
Step 2.25
Reorder terms.
Step 2.26
Raise to the power of .
Step 2.27
Raise to the power of .
Step 2.28
Use the power rule to combine exponents.
Step 2.29
Add and .
Step 2.30
Reorder the factors of .
Step 2.31
Reorder terms.
Step 2.32
Raise to the power of .
Step 2.33
Raise to the power of .
Step 2.34
Use the power rule to combine exponents.
Step 2.35
Add and .
Step 3
Simplify terms.
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Step 3.1
Combine the numerators over the common denominator.
Step 3.2
Simplify each term.
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Step 3.2.1
Apply the distributive property.
Step 3.2.2
Multiply by .
Step 3.2.3
Expand using the FOIL Method.
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Step 3.2.3.1
Apply the distributive property.
Step 3.2.3.2
Apply the distributive property.
Step 3.2.3.3
Apply the distributive property.
Step 3.2.4
Combine the opposite terms in .
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Step 3.2.4.1
Reorder the factors in the terms and .
Step 3.2.4.2
Subtract from .
Step 3.2.4.3
Add and .
Step 3.2.5
Simplify each term.
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Step 3.2.5.1
Rewrite using the commutative property of multiplication.
Step 3.2.5.2
Multiply by by adding the exponents.
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Step 3.2.5.2.1
Move .
Step 3.2.5.2.2
Multiply by .
Step 3.2.5.3
Multiply by .
Step 3.2.5.4
Multiply by .
Step 3.2.6
Expand using the FOIL Method.
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Step 3.2.6.1
Apply the distributive property.
Step 3.2.6.2
Apply the distributive property.
Step 3.2.6.3
Apply the distributive property.
Step 3.2.7
Simplify each term.
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Step 3.2.7.1
Rewrite using the commutative property of multiplication.
Step 3.2.7.2
Multiply by by adding the exponents.
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Step 3.2.7.2.1
Move .
Step 3.2.7.2.2
Multiply by .
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Step 3.2.7.2.2.1
Raise to the power of .
Step 3.2.7.2.2.2
Use the power rule to combine exponents.
Step 3.2.7.2.3
Add and .
Step 3.2.7.3
Multiply by .
Step 3.2.7.4
Multiply by .
Step 3.2.7.5
Multiply by .
Step 3.2.7.6
Multiply by .
Step 3.2.8
Rewrite as .
Step 3.2.9
Expand using the FOIL Method.
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Step 3.2.9.1
Apply the distributive property.
Step 3.2.9.2
Apply the distributive property.
Step 3.2.9.3
Apply the distributive property.
Step 3.2.10
Simplify and combine like terms.
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Step 3.2.10.1
Simplify each term.
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Step 3.2.10.1.1
Rewrite using the commutative property of multiplication.
Step 3.2.10.1.2
Multiply by by adding the exponents.
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Step 3.2.10.1.2.1
Move .
Step 3.2.10.1.2.2
Multiply by .
Step 3.2.10.1.3
Multiply by .
Step 3.2.10.1.4
Multiply by .
Step 3.2.10.1.5
Multiply by .
Step 3.2.10.1.6
Multiply by .
Step 3.2.10.2
Add and .
Step 3.2.11
Apply the distributive property.
Step 3.2.12
Simplify.
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Step 3.2.12.1
Multiply by .
Step 3.2.12.2
Multiply by .
Step 3.2.12.3
Multiply by .
Step 3.2.13
Expand by multiplying each term in the first expression by each term in the second expression.
Step 3.2.14
Simplify each term.
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Step 3.2.14.1
Multiply by .
Step 3.2.14.2
Rewrite using the commutative property of multiplication.
Step 3.2.14.3
Multiply by by adding the exponents.
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Step 3.2.14.3.1
Move .
Step 3.2.14.3.2
Multiply by .
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Step 3.2.14.3.2.1
Raise to the power of .
Step 3.2.14.3.2.2
Use the power rule to combine exponents.
Step 3.2.14.3.3
Add and .
Step 3.2.14.4
Multiply by .
Step 3.2.14.5
Multiply by .
Step 3.2.14.6
Rewrite using the commutative property of multiplication.
Step 3.2.14.7
Multiply by by adding the exponents.
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Step 3.2.14.7.1
Move .
Step 3.2.14.7.2
Multiply by .
Step 3.2.14.8
Multiply by .
Step 3.2.14.9
Multiply by .
Step 3.2.14.10
Multiply by .
Step 3.2.15
Add and .
Step 3.2.16
Add and .
Step 3.2.17
Apply the distributive property.
Step 3.2.18
Multiply by .
Step 3.2.19
Multiply by .
Step 3.2.20
Rewrite as .
Step 3.2.21
Expand using the FOIL Method.
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Step 3.2.21.1
Apply the distributive property.
Step 3.2.21.2
Apply the distributive property.
Step 3.2.21.3
Apply the distributive property.
Step 3.2.22
Simplify and combine like terms.
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Step 3.2.22.1
Simplify each term.
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Step 3.2.22.1.1
Rewrite using the commutative property of multiplication.
Step 3.2.22.1.2
Multiply by by adding the exponents.
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Step 3.2.22.1.2.1
Move .
Step 3.2.22.1.2.2
Multiply by .
Step 3.2.22.1.3
Multiply by .
Step 3.2.22.1.4
Multiply by .
Step 3.2.22.1.5
Multiply by .
Step 3.2.22.1.6
Multiply by .
Step 3.2.22.2
Subtract from .
Step 3.2.23
Expand by multiplying each term in the first expression by each term in the second expression.
Step 3.2.24
Simplify each term.
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Step 3.2.24.1
Multiply by .
Step 3.2.24.2
Multiply by .
Step 3.2.24.3
Multiply by .
Step 3.2.24.4
Rewrite using the commutative property of multiplication.
Step 3.2.24.5
Multiply by by adding the exponents.
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Step 3.2.24.5.1
Move .
Step 3.2.24.5.2
Multiply by .
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Step 3.2.24.5.2.1
Raise to the power of .
Step 3.2.24.5.2.2
Use the power rule to combine exponents.
Step 3.2.24.5.3
Add and .
Step 3.2.24.6
Multiply by .
Step 3.2.24.7
Rewrite using the commutative property of multiplication.
Step 3.2.24.8
Multiply by by adding the exponents.
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Step 3.2.24.8.1
Move .
Step 3.2.24.8.2
Multiply by .
Step 3.2.24.9
Multiply by .
Step 3.2.24.10
Multiply by .
Step 3.2.25
Add and .
Step 3.2.26
Subtract from .
Step 3.3
Simplify by adding terms.
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Step 3.3.1
Combine the opposite terms in .
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Step 3.3.1.1
Add and .
Step 3.3.1.2
Add and .
Step 3.3.1.3
Subtract from .
Step 3.3.1.4
Add and .
Step 3.3.2
Add and .
Step 3.3.3
Add and .
Step 3.3.4
Simplify the expression.
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Step 3.3.4.1
Subtract from .
Step 3.3.4.2
Subtract from .
Step 3.3.4.3
Reorder and .
Step 4
Simplify the numerator.
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Step 4.1
Factor out the greatest common factor from each group.
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Step 4.1.1
Group the first two terms and the last two terms.
Step 4.1.2
Factor out the greatest common factor (GCF) from each group.
Step 4.2
Factor the polynomial by factoring out the greatest common factor, .
Step 4.3
Rewrite as .
Step 4.4
Rewrite as .
Step 4.5
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 4.6
Combine exponents.
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Step 4.6.1
Raise to the power of .
Step 4.6.2
Raise to the power of .
Step 4.6.3
Use the power rule to combine exponents.
Step 4.6.4
Add and .
Step 5
Reduce the expression by cancelling the common factors.
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Step 5.1
Cancel the common factor of .
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Step 5.1.1
Cancel the common factor.
Step 5.1.2
Rewrite the expression.
Step 5.2
Cancel the common factor of and .
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Step 5.2.1
Multiply by .
Step 5.2.2
Cancel the common factors.
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Step 5.2.2.1
Factor out of .
Step 5.2.2.2
Cancel the common factor.
Step 5.2.2.3
Rewrite the expression.
Step 5.3
Cancel the common factor of and .
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Step 5.3.1
Rewrite as .
Step 5.3.2
Move the negative in front of the fraction.