X+5*x*x=870

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Solution for X+5*x*x=870 equation: 


Simplifying
X + 5x * x = 870

Multiply x * x
X + 5x2 = 870

Solving
X + 5x2 = 870

Solving for variable 'X'.

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

Add '-5x2' to each side of the equation.
X + 5x2 + -5x2 = 870 + -5x2

Combine like terms: 5x2 + -5x2 = 0
X + 0 = 870 + -5x2
X = 870 + -5x2

Simplifying
X = 870 + -5x2

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