Question

reduza os termos semelhantes
a) 6xy²-8y²x
b) -3m²+8m²
c) 7x-5x+3x
d)
2y-y-10y

Answer 1

$a)6xy^2-8y^2x=2xy(3y-4y) \\ \\ b)-3m^2+8m2=m^2(8-3)=5m^2 \\ \\ c)7x+5x+3x=x(7+5+3)=15x \\ \\ d)2y-y-10y=y(2-1-10)=-9y$