Answer:
x = 4
x = -10
Step-by-step explanation:
(x + 3)² = 49
Take the square root of both sides.
x + 3 = ±7
The equation is x + 3 = 7 or x + 3 = -7.
x + 3 = 7
Subtract 3 on both sides.
x + 3 = -7
x₁ = -10
x₂ = 4
x + 3 = ± 7
x + 3 = -7 → x = -10
x + 3 = 7 → x = 4
Hope this helps! :)
