Question

descompune 4x la a doua -12x+9

Answer 1

(2x-3) totul la este la puterea 2

Answer 2

$4 x^{2} -12x+9 \\ \\ a^{2} -2ab+b^{2} =(a-b)^{2} \\ \\ 4 x^{2} -12x+9 =(2x-3)^{2}$