Question

me ajuda por favor !!

Answer 1

Explicação passo-a-passo:

a)A×B

(X+3).(X³+5)=X⁴+5X+3X³+15

b)A×C

(X+3).(2X²-4)=2X³-4X+6X²-12

c)B×C

(x³+5).(2x²-4)=2x⁵-4x³+10x²-20

d)(A+C).B

(X+3+2X²-4).(X³+5)

(2x²+x-1).(x³+5)=

2x⁵+10x²+x⁴+5x-x³-5

2x⁵+x⁴-x³+10x²+5x-5