Respuesta :

x² + 4x = 14
x² + 4x = 18 - 4 
x² + 4x + 4 = 18
(x+2)² = 18

Hope this helps.

Answer:

(x+2)^2=18 Was Correct

Step-by-step explanation:

Step 1: Inverted P.E.M.D.A.S A.K.A Parenthesis Exponents Multiplication Division Addition Subtraction.

Step 2: Complete The Square

Answer: (x+2)^2=18