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Algebra Examples
Step 1
Step 1.1
Factor by grouping.
Step 1.1.1
For a polynomial of the form , rewrite the middle term as a sum of two terms whose product is and whose sum is .
Step 1.1.1.1
Factor out of .
Step 1.1.1.2
Rewrite as plus
Step 1.1.1.3
Apply the distributive property.
Step 1.1.2
Factor out the greatest common factor from each group.
Step 1.1.2.1
Group the first two terms and the last two terms.
Step 1.1.2.2
Factor out the greatest common factor (GCF) from each group.
Step 1.1.3
Factor the polynomial by factoring out the greatest common factor, .
Step 1.2
Factor out of .
Step 1.2.1
Factor out of .
Step 1.2.2
Factor out of .
Step 1.2.3
Factor out of .
Step 1.3
Reduce the expression by cancelling the common factors.
Step 1.3.1
Cancel the common factor.
Step 1.3.2
Rewrite the expression.
Step 2
Step 2.1
Finding the LCD of a list of values is the same as finding the LCM of the denominators of those values.
Step 2.2
The LCM of one and any expression is the expression.
Step 3
Step 3.1
Multiply each term in by .
Step 3.2
Simplify the left side.
Step 3.2.1
Cancel the common factor of .
Step 3.2.1.1
Cancel the common factor.
Step 3.2.1.2
Rewrite the expression.
Step 3.3
Simplify the right side.
Step 3.3.1
Multiply by .
Step 4
Step 4.1
Move all terms not containing to the right side of the equation.
Step 4.1.1
Add to both sides of the equation.
Step 4.1.2
Add and .
Step 4.2
Divide each term in by and simplify.
Step 4.2.1
Divide each term in by .
Step 4.2.2
Simplify the left side.
Step 4.2.2.1
Cancel the common factor of .
Step 4.2.2.1.1
Cancel the common factor.
Step 4.2.2.1.2
Divide by .
Step 4.2.3
Simplify the right side.
Step 4.2.3.1
Divide by .