Simplify 3x^2+5x-8+(5x^2-13x-5)

$3 x^{2} + 5 x - 8 + (5 x^{2} - 13 x - 5)$

Step 1

Remove parentheses.

$3 x^{2} + 5 x - 8 + 5 x^{2} - 13 x - 5$

Step 2

Add $3 x^{2}$ and $5 x^{2}$ .

$8 x^{2} + 5 x - 8 - 13 x - 5$

Step 3

Subtract $13 x$ from $5 x$ .

$8 x^{2} - 8 x - 8 - 5$

Step 4

Subtract $5$ from $- 8$ .

$8 x^{2} - 8 x - 13$

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