Corynamaryaask
a fost răspuns

Calculati: 

1) (x+2) (x-3) (x-3)

2) (x-5) (2x+4): (x+2)

Răspuns :

Miky93ask
1)(x+2)(x-3)²=(x+2)(x²-6x+9)=x³-6x²+9x+2x²-12x+18=x³-4x²-3x+18

2)(x-5)(2x+4):(x+2)=( x-5)2(x+2):(x+2)=2(x-5)=2x-10

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