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(3x+4)²-(x-2)²
x²-x descompuneti in factori
rapod vă rog​


Răspuns :

Salut! ♡

(3x+4)²-(x-2)²

(3x+4-x+2)(3x+4+x-2)

(2x+6)(4x+2)

2(x+3)×2(2x+1)

2×2(x+3)(2x+1)

4(x+3)(2x+1)

x²-x= x(x-1)