Question

question subtract 9x^{2}-4 from 10x^{2}+9x - 8. answer attempt 1 out of 2

Explanation:

Step1: Set up the subtraction

$(10x^{2}+9x - 8)-(9x^{2}-4)$

Step2: Distribute the negative sign

$10x^{2}+9x - 8-9x^{2}+4$

Step3: Combine like - terms

$(10x^{2}-9x^{2})+9x+(-8 + 4)$
$x^{2}+9x-4$

Answer:

$x^{2}+9x - 4$