Question

(5x-4)(x+8)=0

(6x+8)(9-x)=0

(x+5)(2x-1/8)=0

решите уравнение

Answer 1

5х-4=0 или х+8=0
5х=4, х=-8
х=4/5
х=0.6

6х+8=0 или 9-х=0
6х=-8, -х=-9
х=-8:6,х=9
х=-8/6