Answer:
x = ± 15
Step-by-step explanation:
Given
x² = 225 ( take the square root of both sides )
x = ± [tex]\sqrt{225}[/tex] = ± 15
That is x = - 15 0r x = 15
Answer:
Step-by-step explanation:
X² = 225
Finding the square root of both side
√X² = √225
X = 15 or -15
