Question

Which trinomial is equivalent to 3(x-2)^2 - 2(x-1)

Answer 1

(a-b)²=(a²-2ab+b²)


3(x-2)²-2(x-1)
=3(x²-4x+4)-2(x-1)
=3x²-12x+12-2x+2
=3x²-14x+14

Answer: 3x²-14x+14