Question

multiplicação de polonômios
a)(3x²-4x-3).(x+1)=
b)(x²-x-1).(x+1)=
c)(x²-3x-2).(x-2)=
d)(x²+5x-6).(2x+1)=

Answer 1

a)3x³-4x²-3x+3x²-4x-3 = 3x³-1x²-7x-3 
b)x³-1x²-1x+1x²-1x-1 = x³-2x-1
c)x³-3x²-2x-2x²+6x+4 = x³-5x²+4x+4
d)2x³+10x²-12x+x²+5x-6 = 2x³+11x²-7x-6