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OpenStudy (pokemon23):
When the square of a certain number is diminished by 9times the number the result is 36.Find the number.
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OpenStudy (pokemon23):
x\[x^2-9x^2=36\]
OpenStudy (anonymous):
x^2 -9x=36
OpenStudy (anonymous):
is x=12
OpenStudy (dumbcow):
it would be x^2 -9x = 36 x^2 -9x -36=0 (x-12)(x+3) = 0
OpenStudy (pokemon23):
Thanks ;D
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