205k views
5 votes
Solve for x in the following equation.

x2 + 4x = 21

A.
x = 3; -7
B.
x = -1; 21
C.
x = 3; -8
D.
x = -3; 7

User Afroza
by
8.3k points

1 Answer

5 votes
The answer is x= -7,3 or A

User Chrysb
by
8.6k points