Question

x2 + 4x = 14

A. (x + 4)2 = 30
B. (x + 4)2 = 18
C. (x + 2)2 = 18
D. (x + 2)2 = 30

Answer 1

x2 is a power

Answer 2

Equation:

x2+4x=14

Subtract 14 from both sides:

x2+4x−14=14−14
x2+4x−14=0

Use quadratic formula with a=1, b=4, c=-14:

x=−b±b2−4ac2a
x=−(4)±(4)2−4(1)(−14)2(1)
x=−4±722
x=−2+32 or x=−2−32

Hopefully I did this right.
Answer:

x=−2+32 or x=−2−32

Answer 3

This cant be right ^