5х-2(х-3)=6х 6х-(2х+5)=2(3х-6) х*(х+5)=(х+3)^2 х*(х*(х-1))+6=х*(х+3)*(х-4)

5х-2(х-3)=6х

5х-2х+6=6х

5х-2х-6х=-6

-3х=-6

х=2

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6х-(2х-5)=2(3х-6)

6х-2х+5х=6х-12

6х-2х+5х-6х=-12

3х=-12

х=-4

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х*(х+5)=(х+3)^2

x^2+5x=x^2+6x+9

x^2+5x-x^2-6x=9

-x=9

x=-9