Ответ:

1) x = 0 , x = 6 , 2) x = 0 x = 2

Объяснение:

x 2 - 5x-5 = x-5

x 2 - 5x = x

x 2 - 5x -x = 0

x 2 - 6x = 0

x ( x-6) = 0

x = 0     x = 6

2) -2x 2 + 7x = 3x

-2x 2 + 7x - 3x = 0

-2x 2 + 4x = 0

-2x ( x-2) = 0

x ( x-2) = 0

x = 0   x = 2