Question

What is equivalent to the expression (x+3)(x-7)+(x+8)(x+3)

Answer 1

Answer:

$2x^2+7x+3$

Step-by-step explanation:

$(x+3)(x-7)+(x+8)(x+3)$

$(x^2-4x-21)+(x^2+11x+24)$

$x^2-4x-21+x^2+11x+24$

$2x^2+7x+3$