How do you simplify $2(x^2-81)-3x^2$ ?

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Answer 1 · 2017-06-03T20:55:15

$-x^2-162$

Use the Distributive property. Multiply the $2$ by the terms in the parentheses.

$2x^2-162-3x^2$

Combine the $x^2$ terms.

$-x^2-162$

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