(х+3)(х-2)= (х+4)(х+5)
(х+3)(х-2) = х²-2х +3х-6 = х²+х-6 (х+4)(х+5) = х²+5х+4х+20 = х²+9х+20
X²-2x+3x-6=x²+5x+4x+20 x²-2x+3x-6-x²-5x-4x-20=0 -8x-26=0 x=-26\8=-3.25