Pre-Algebra Examples

(10 x^{2} - 10 x - 6) + (x + 6)

$(10 x^{2} - 10 x - 6) + (x + 6)$

Step 1

Remove parentheses.

10 x^{2} - 10 x - 6 + x + 6

$10 x^{2} - 10 x - 6 + x + 6$

Step 2

Combine the opposite terms in

10 x^{2} - 10 x - 6 + x + 6

$10 x^{2} - 10 x - 6 + x + 6$ .

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Step 2.1

Add

- 6

$- 6$ and

6

$6$ .

10 x^{2} - 10 x + x + 0

$10 x^{2} - 10 x + x + 0$

Step 2.2

Add

10 x^{2} - 10 x + x

$10 x^{2} - 10 x + x$ and

0

$0$ .

10 x^{2} - 10 x + x

$10 x^{2} - 10 x + x$

10 x^{2} - 10 x + x

$10 x^{2} - 10 x + x$

Step 3

Add

- 10 x

$- 10 x$ and

x

$x$ .

10 x^{2} - 9 x

$10 x^{2} - 9 x$

⎡ ⎢ ⎣ \begin{matrix} x^{2} & \frac{1}{2} \sqrt{π} & \int x d x \end{matrix} ⎤ ⎥ ⎦

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