x^2(x+9)=400

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Solution for x^2(x+9)=400 equation:


Simplifying
x2(x + 9) = 400

Reorder the terms:
x2(9 + x) = 400
(9 * x2 + x * x2) = 400
(9x2 + x3) = 400

Solving
9x2 + x3 = 400

Solving for variable 'x'.

Reorder the terms:
-400 + 9x2 + x3 = 400 + -400

Combine like terms: 400 + -400 = 0
-400 + 9x2 + x3 = 0

The solution to this equation could not be determined.

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