x(x+3)(x+9)=400

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Solution for x(x+3)(x+9)=400 equation:


Simplifying
x(x + 3)(x + 9) = 400

Reorder the terms:
x(3 + x)(x + 9) = 400

Reorder the terms:
x(3 + x)(9 + x) = 400

Multiply (3 + x) * (9 + x)
x(3(9 + x) + x(9 + x)) = 400
x((9 * 3 + x * 3) + x(9 + x)) = 400
x((27 + 3x) + x(9 + x)) = 400
x(27 + 3x + (9 * x + x * x)) = 400
x(27 + 3x + (9x + x2)) = 400

Combine like terms: 3x + 9x = 12x
x(27 + 12x + x2) = 400
(27 * x + 12x * x + x2 * x) = 400
(27x + 12x2 + x3) = 400

Solving
27x + 12x2 + x3 = 400

Solving for variable 'x'.

Reorder the terms:
-400 + 27x + 12x2 + x3 = 400 + -400

Combine like terms: 400 + -400 = 0
-400 + 27x + 12x2 + x3 = 0

The solution to this equation could not be determined.

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