Question

POR FAVOR ME AJUDAHH​

Answer 1

Olá!!  :)

$\sf PRIMEIRA: \\\\\\\\ ( x ) \ 7a \ e \ 4a \\\\ ( x ) \ 2x^{2} \ e \ -6x^{2} \\\\ ( \ ) \ 4y \ e \ 5y^{2} \\\\ ( x ) \ 8xy \ -xy \\\\ ( \ ) \ 5a \ e \ 4ab \\\\ ( x ) \ 8xy \ e \ 5yx \\\\ ( x ) \ 4x^{2}y \ e \ -xy \\\\ ( \ ) \ xy^{2} \ e \ 2x^{2}y \\\\ ( x ) \ 3acb \ e \ abc \\\\\\\\ SEGUNDA: \\\\\\\\ (a) \ -5x^{3} \ + \ 2x^{2} \ + \ 6 \\\\ (b) \ 4b^{3} \ - \ 7b^{2} \ + \ 5b \ - \ 5 \\\\ (c) \ m^{3} \ + \ m \ - \ 1 \\\\ (d) \ y^{3} \ - \ 3y^{2} \ + \ 5y \\\\ (e) \ 4x^{5} \ - \ 2x^{3} \ + \ 8x^{2}x \ + \ 7$

$\sf (f) \ 6x^{2} \ + \ 3x \ + \ 4 \\\\ (g) \ 8x^{3} \ - \ 3x^{2} \ + \ 8$

Espero ter ajudado, bons estudos!! :)