Simplify 10x^2-8x-1+(4x^2-8x-5)

$10 x^{2} - 8 x - 1 + (4 x^{2} - 8 x - 5)$

Step 1

Remove parentheses.

$10 x^{2} - 8 x - 1 + 4 x^{2} - 8 x - 5$

Step 2

Add $10 x^{2}$ and $4 x^{2}$ .

$14 x^{2} - 8 x - 1 - 8 x - 5$

Step 3

Subtract $8 x$ from $- 8 x$ .

$14 x^{2} - 16 x - 1 - 5$

Step 4

Subtract $5$ from $- 1$ .

$14 x^{2} - 16 x - 6$

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