Question

6. What are the solutions to

(x + 3)2 = 49

x= -2 and x = -16
x = 2 and x = V-10
x = 4 and x = -10
x = 40 and x = -58

Answer 1

The answer is x=4 or x=−10

Solutions:

(x + 3)² = 49

(x+3)(x+3)=49

x²+6x+9=49

x²+6x+9-49=0

(x-4)(x+10)

x-4=0 x+10=0

x=4 x=-10