Question

What is (x+4)(x-8) + (x-7)(x+7)

Answer 1

this is the answer of ur Q,.

Answer 2

Answer:

$2x^{2} -4x-81$

Step-by-step explanation:

$(x+4)(x-8) + (x-7)(x+7)$

$= x(x-8)+4(x-8)+x^{2} -(7)^{2}$

$= x^{2} -8x+4x-32+x^{2} -49$

$=x^{2} +x^{2}-8x+4x-32-49$

$= 2x^{2} -4x-81$