Algebra Examples

$(4 + 5 x + 6 x^{2}) + (7 + 8 x + 9 x^{2})$

Step 1

Simplify the expression.

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Step 1.1

Remove parentheses.

$4 + 5 x + 6 x^{2} + 7 + 8 x + 9 x^{2}$

Step 1.2

Add $4$ and $7$ .

$5 x + 6 x^{2} + 11 + 8 x + 9 x^{2}$

$5 x + 6 x^{2} + 11 + 8 x + 9 x^{2}$

Step 2

Add $5 x$ and $8 x$ .

$13 x + 6 x^{2} + 11 + 9 x^{2}$

Step 3

Add $6 x^{2}$ and $9 x^{2}$ .

$13 x + 15 x^{2} + 11$

Step 4

Reorder $13 x$ and $15 x^{2}$ .

$15 x^{2} + 13 x + 11$

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