Question

Identifique os coeficientes da função f(x)= (4x+7)(3x-2) *
(A) a=12, b=13, c= -14
(B) a= -12, b= -13, c= 14
(C) a= 13, b= 14, c= -12
(D) a= -14, b= 13, c= -14

Answer 1

Resposta:

$f(x) = 12x {}^{2} - 8x + 21x - 14 = \\ f(x) = 12x {}^{2} + 13x - 14 = \\ a = 12 \\ b = 13 \\ c = - 14 \\ \\ letr \: a$