Question

calcule: (y-3).(y+2)-(y+1)²
resolva

Answer 1

(y-3).(y+2)-(y+1)²
$y^{2} +2y-3y-6$-$y^{2} +2.y.1+1 ^{2}$
$y^{2} -y-6- y^{2} +2y+1$
y-5

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