Question

1 . A) 3x(x-2) =
B) (x-1) (x-3)=
2. 3(x-5) -8=2(x-8)

Answer 1

Ответ:

3х(х-2)=3х²-6х.

(х-1)(х-3)=х²-4х+3.

3(х-5)-8=2(х-8)

3х-15-8=2х-16

3х-23=2х-16

3х-2х=-16+23

х = 7