Respuesta :

For a polynomial of the form ax2+bx+c a x 2 + b x + c , rewrite the middle term as a sum of two terms whose product is a⋅c=12⋅−15=−180 a ⋅ c = 12 ⋅ - 15 = - 180 and whose sum is b=11 b = 11 . Factor 11 11 out of 11x 11