Answer:
x = - 10, x = 4
Step-by-step explanation:
Given
2(x + 3)² = 98 ( divide both sides by 2 )
(x + 3)² = 49 ( take the square root of both sides )
x + 3 = ± [tex]\sqrt{49}[/tex] = ± 7 ( subtract 3 from both sides )
x = - 3 ± 7
Thus
x = - 3 - 7 = - 10
x = - 3 + 7 = 4
