Question

Сократите дробь $\frac{3 x^{2} - 4 x - 4 }{2 - x}$

Answer 1

D1=4+12=16; √D1=4
x1=(2+4)/3=2
x2=(2-4)/3=-2/3
$\frac{3 (x-2)(x+ \frac{2}{3}) }{2-x} =-3 (x+ \frac{2}{3} )=-3x-2$