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Chume
@Chume
November 2019
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Simplifique as expressões algébricas:
a) (x-y)² - x(x-2y)
b) (x-2)² +a(3a+2)
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CDay21
Aqui está :) mais alguma coisa me chame
3 votes
Thanks 1
Chume
Na primeira questão, por que ficou (x²-2yx)?
Chume
ah espera eu entendi, tu multiplicou USHNADIAU
CDay21
exato
CDay21
ahah
Samantinha13
A) x² - 2x - 2x + y² - x² + 2xy=
-4x + y² + 2xy
b) x² - 2x - 2x + 4 +3a² +2a=
x² -4x + 4 +3a² + 2a=
2 votes
Thanks 0
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-4x + y² + 2xy
b) x² - 2x - 2x + 4 +3a² +2a=
x² -4x + 4 +3a² + 2a=