a fost răspuns

(x+2)(x+3)=
(x-3)(x+5)=
(1-2x)(x+7)=
(3x-5y)(4x+2y)=

Răspuns :

MFMask
x²+5x+6
x²+2x-15
x-2x²+7-14x=-2x²-13x+7
12x²-20xy+6xy-10y²=12x²-14xy-10y²
Aline99ask
(x+2)(x+3)= x²+5x+6
(x-3)(x+5)=x²+2x-15
(1-2x)(x+7)=-2x²-13x+7
(3x-5y)(4x+2y)=12x²-14xy-10y²

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