Question

Dados os polinomios A=(2x+6).(x-2).(x-1) B=(x-1).(x-2) ache o valor de A-B?

Answer 1

A=2x²+x²-4x+6x-2x-x-12+2
A=3x²-x-10
B=x²-2x-x+2
B=x²-3x+2
A-B=3x²-x-10-(x²-3x+2)
A-B=2x²+3x-12