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Statec55
a fost răspuns

(5x-4)la a 2 =?
(2,5x-8) la a 2 =?
(x -3) ( x+3)=?

Răspuns :

StanciuGabriela29
(5x-4)²= 25x²-40x+16
(2,5x-8)² = 6.25x²- 40x+ 64
(x-3)(x+3) = x²-9
StanciuGabriela29
(5x-4)²= 25x²-40x+16
(2,5x-8)² = 6.25x²- 40x+ 64
(x-3)(x+3) = x²-9

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