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jazzyfa30
 3 years ago
Solve the equation by factoring:
x2  81 = 0
jazzyfa30
 3 years ago
Solve the equation by factoring: x2  81 = 0

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hartnn
 3 years ago
Best ResponseYou've already chosen the best response.181 is the square of which number?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1right! so, we have \(x^29^2 =0\) now use \(a^2b^2=(a+b)(ab)\) to factor that!, what u get ?
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