Question

alguém mim ajuda...por favor​

Answer 1

Resposta:

a) -4X⁴-25X³-15X²-12X+40+12X⁴-55X³-20X²+40X-50=8X⁴-80X³-35X²+28X-10

b) -4X⁴-25X³-15X²-12X+40+X⁴-27X³+40X²+80X+60= -3X⁴-52X³+25X²+48X+100

c) X⁴-27X³+40X²+60X+60-4X⁴-25X³-15X²-12X+40= -3X⁴-52X³+25X²+48X100

d) 12X⁴-55X³-20X²+40X-50-4X⁴-25X³-15X²-12X+40= 8x⁴-80X³-35X²+28X-10