simplifique as seguintes expressões algébricas:
a) 3x+6x-x=
b)5y-y+2y=
c)3b²+9b²-2b²=
d9ax-8ax+5ax
pra agoraaa!
a) 3x+6x-x=
b)5y-y+2y=
c)3b²+9b²-2b²=
d9ax-8ax+5ax
pra agoraaa!
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Resposta:
Some os coeficientes e repita a parte literal
Coeficientes → números
[tex]a)~~3x+6x-x=9x-x=\boxed{8x}\\ \\ \\ b)~~5y-y+2y=7y-y=\boxed{6y}\\ \\ \\ c)~~3b^2+9b^2-2b^2=12b^2-2b^2=\boxed{10b^2}\\ \\ \\ d)~~9ax-8ax+5ax=14ax-8ax=\boxed{6ax}[/tex]