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Mathematics 8 Online
OpenStudy (anonymous):

x^2+(x+2)^2=10^2

OpenStudy (abb0t):

Use the FOIL to expand the inner function, (x+2)\(^2\)

OpenStudy (abb0t):

Then, combine like terms, subtract both sides by 10\(^2\) = 100. And set equal to zero. Then solve.

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