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OpenStudy (anonymous):
solve the equation. x^2 - 100 = 0
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OpenStudy (anonymous):
x^2 = 100 sqrt( above equation) x = (+ or -) 10
OpenStudy (anonymous):
so x= -10, 10
OpenStudy (anonymous):
Exactly. To solve by factoring you would get: (x-10)(x+10) = 0
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