Answer:
A
Explanation:
Start by moving the 2 to the other side of the equation using subtraction:

Now factor, I'll use the "AC" method (slide, divide, bottoms up:
10(2) = 20

Factor

Divide by 10

simplify the fractions

"Bottoms up"

Set it equal to 0 and solve:
and

x = -1/2 and x = 2/5