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jazzyfa30
 one year ago
Solve the equation by factoring:
x2  81 = 0
jazzyfa30
 one year ago
Solve the equation by factoring: x2  81 = 0

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

hartnn
 one year 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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