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AJUTOR (- 3x - 2)² = (2x + 3)²

Răspuns :

(-3 ×-2)2=-12 (2×+3)2=12 12=12
(-3x-2)^2=(2x+3)^2
9x^2+12x+4=4x^2+12x+9
5x^2-5=0
5x^2=5
x^2=5/5
x^2=1
x1=1
x2=-1