Question 1195706
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x^2 + (x+5)^2 = 18^2


x^2 + x^2 + 10x + 25 = 324


2x^2 + 10x + 25 - 324 = 0


2x^2 + 10x - 299 = 0


Solve using the quadratic formula and chose the positive root.
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