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4 votes
What's the value of x

{x}^(2) - {15}^(2) = {8}^(2)


2 Answers

3 votes
The value of X would be plus and minus 17 for the fact you got the square root of 289.
User Fuwjax
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3.8k points
5 votes


{x}^(2) - {15}^(2) = {8}^(2) \\ \\ {x}^(2) - 225 = 64 \\ \\ {x}^(2) = 64 + 225 \\ \\ {x}^(2) = 289 \\ \\ x = 17

User JR White
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4.7k points