Answer:
x = ± 15
Step-by-step explanation:
Given
x² = 225 ( take the square root of both sides )
x = ± = ± 15
That is x = - 15 0r x = 15
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Answer:
x = ± 15
Step-by-step explanation:
Given
x² = 225 ( take the square root of both sides )
x = ± = ± 15
That is x = - 15 0r x = 15