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

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

8x^2+11x-2

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

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

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

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

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