X*(90-x)=x^2+90x

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Solution for X*(90-x)=x^2+90x equation: 


Simplifying
X(90 + -1x) = x2 + 90x
(90 * X + -1x * X) = x2 + 90x
(90X + -1xX) = x2 + 90x

Reorder the terms:
90X + -1xX = 90x + x2

Solving
90X + -1xX = 90x + x2

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Reorder the terms:
90X + -90x + -1xX + -1x2 = 90x + x2 + -90x + -1x2

Reorder the terms:
90X + -90x + -1xX + -1x2 = 90x + -90x + x2 + -1x2

Combine like terms: 90x + -90x = 0
90X + -90x + -1xX + -1x2 = 0 + x2 + -1x2
90X + -90x + -1xX + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
90X + -90x + -1xX + -1x2 = 0

The solution to this equation could not be determined.

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