Bonjour,
1) f(0) = (2(0)+3)(0-4) = (3)(-4) = -12
g(0) = 2(0²)-5(0)-12 = -12
f(1) = (2(1)+3)(1-4) = (5)(-3) = -15
g(1) = 2(1²)-5(1)-12 = 2-5-12 = -15
2) f(x) = (2x+3)((x-4)
= 2x²-8x+3x-12
= 2x²-5x-12
= g(x)
