5-9x 3+5x 5-3x------ - ------- = -------- 8 4 2

Question

5-9x 3+5x 5-3x------ - ------- = -------- 8 4 2

Answer 1

Ответ:

1)(4-7х+5-5х-12+6х-3)/15=0

-6(х+1)/15=0

х+1=0

х=-1

3)(12х+20+45х-25-60-30х-10)/20=0

(3х-75)/20=0

3(х-25)/20=0

х-25=0

х=25