SOLUTION: Solve this equation. a squared + 15 squared = 17 squared

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Question 32028: Solve this equation.
a squared + 15 squared = 17 squared
Answer by mukhopadhyay(490) About Me  (Show Source):
You can put this solution on YOUR website!
a squared + 15 squared = 17 squared
=>a^2+15^2=17^2
=>a^2=17^2-15^2
=>a^2=(17+15)(17-15)
=>a^2=32*2
=>a^2=64
=>a=8 or a=-8