How do you simplify $(9t^4+5t+8)-(3t^2-6t-4)$ ?

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Answer 1 · 2016-11-24T14:50:26

$9t^4 - 3t^2 + 11t + 12$

First, expand and combine the terms in parenthesis:

$9t^4 + 5t + 8 - 3t^2 + 6t + 4 =>$

$9t^4 - 3t^2 + 5t + 6t + 8 + 4 =>$

$9t^4 - 3t^2 + 11t + 12$

How do you simplify (9t^4+5t+8)-(3t^2-6t-4)(9t^4+5t+8)-(3t^2-6t-4)?