X^2+3x^3-400=0

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Solution for X^2+3x^3-400=0 equation:


Simplifying
X2 + 3x3 + -400 = 0

Reorder the terms:
-400 + X2 + 3x3 = 0

Solving
-400 + X2 + 3x3 = 0

Solving for variable 'X'.

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

Add '400' to each side of the equation.
-400 + X2 + 400 + 3x3 = 0 + 400

Reorder the terms:
-400 + 400 + X2 + 3x3 = 0 + 400

Combine like terms: -400 + 400 = 0
0 + X2 + 3x3 = 0 + 400
X2 + 3x3 = 0 + 400

Combine like terms: 0 + 400 = 400
X2 + 3x3 = 400

Add '-3x3' to each side of the equation.
X2 + 3x3 + -3x3 = 400 + -3x3

Combine like terms: 3x3 + -3x3 = 0
X2 + 0 = 400 + -3x3
X2 = 400 + -3x3

Simplifying
X2 = 400 + -3x3

Reorder the terms:
-400 + X2 + 3x3 = 400 + -3x3 + -400 + 3x3

Reorder the terms:
-400 + X2 + 3x3 = 400 + -400 + -3x3 + 3x3

Combine like terms: 400 + -400 = 0
-400 + X2 + 3x3 = 0 + -3x3 + 3x3
-400 + X2 + 3x3 = -3x3 + 3x3

Combine like terms: -3x3 + 3x3 = 0
-400 + X2 + 3x3 = 0

The solution to this equation could not be determined.

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