Algebra Examples

$7 x - 9$ from $2 x^{2} - 11$

Step 1

Write the problem as a mathematical expression.

$2 x^{2} - 11 - (7 x - 9)$

Step 2

Simplify each term.

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Step 2.1

Apply the distributive property.

$2 x^{2} - 11 - (7 x) - - 9$

Step 2.2

Multiply $7$ by $- 1$ .

$2 x^{2} - 11 - 7 x - - 9$

Step 2.3

Multiply $- 1$ by $- 9$ .

$2 x^{2} - 11 - 7 x + 9$

$2 x^{2} - 11 - 7 x + 9$

Step 3

Add $- 11$ and $9$ .

$2 x^{2} - 7 x - 2$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$