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Mathematics 9 Online
OpenStudy (anonymous):

whats the correct solution of the equation x^4 -13x^2 + 36 =0

OpenStudy (phi):

if you let y= x^2, we can write the problem as y^2 -13y + 36=0 do you know how to factor this equation (a quadratic)?

OpenStudy (anonymous):

|dw:1344294870659:dw|

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