Answer:
D. Subtract 4 from both sides
Explanation:
I just learned about quadratic equations in school. The first step of solving quadratic equations is to make sure it is in standard form and equal to 0.
Standard form:
ax^2 + bx + c = 0
Try B, hope that helps :)
First, distribute the 12
156-168-15=16+4+x
-27=20+x
-47=x
Yes that’s your answer!! Good job!!
