Question

resolva a equação 2²-2x=6=0

Answer 1

2²-2x=6
4-2x=6
-2x=6+4
-2x=10
x=10/-2
x=-5

Answer 2

4-2x=6
-2x=6-4.(-1)
2x=8+4
2x=12
x=$\frac{12}{2}$
X=6