Question

$p(x) =2x^2+3x+7$,$q(x)=6x^2+8x-9$Find p(x)+q(x)

• A. $$4x^2+5x+16$$
• B. $$-4x^2-5x+16$$
• C. $$8x^2+11x-2$$
• D. $$8x^2+11x+2$$

Answer 1

Answer:

$$8x^2+11x-2$$

$p(x) =2x^2+3x+7$

$q(x)=6x^2+8x-9$

$p(x)+q(x) =x^2(2+6)+x(3+8)+(7-9)$

$=8x^2+11x-2$