Question

1.(x-2)^2=100

2.3(x+2)-2(x-7)=15

3.|5x-3|=-3
Va rogggg muuullttt

Answer 1

Răspuns:

1.

x-2=10 =>x=12

sau

2-x=10 =>x=(-8)

2.

3x+6-2x+14=15

x+20=15 =>x=(-5)

3.

5x-3=(-3) =>x=0

sau

3-5x=(-3)

-5x=(-6) =>x=6/5