Pre-Algebra Examples

$(9 y^{2} + 7 y - 3) - (- 9 y + 5)$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$9 y^{2} + 7 y - 3 - (- 9 y) - 1 \cdot 5$

Step 1.2

Multiply $- 9$ by $- 1$ .

$9 y^{2} + 7 y - 3 + 9 y - 1 \cdot 5$

Step 1.3

Multiply $- 1$ by $5$ .

$9 y^{2} + 7 y - 3 + 9 y - 5$

$9 y^{2} + 7 y - 3 + 9 y - 5$

Step 2

Simplify by adding terms.

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Step 2.1

Add $7 y$ and $9 y$ .

$9 y^{2} + 16 y - 3 - 5$

Step 2.2

Subtract $5$ from $- 3$ .

$9 y^{2} + 16 y - 8$

$9 y^{2} + 16 y - 8$

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