X*X+x+x-40=420

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Solution for X*X+x+x-40=420 equation:


Simplifying
X * X + x + x + -40 = 420

Multiply X * X
X2 + x + x + -40 = 420

Reorder the terms:
-40 + X2 + x + x = 420

Combine like terms: x + x = 2x
-40 + X2 + 2x = 420

Solving
-40 + X2 + 2x = 420

Solving for variable 'X'.

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

Add '40' to each side of the equation.
-40 + X2 + 40 + 2x = 420 + 40

Reorder the terms:
-40 + 40 + X2 + 2x = 420 + 40

Combine like terms: -40 + 40 = 0
0 + X2 + 2x = 420 + 40
X2 + 2x = 420 + 40

Combine like terms: 420 + 40 = 460
X2 + 2x = 460

Add '-2x' to each side of the equation.
X2 + 2x + -2x = 460 + -2x

Combine like terms: 2x + -2x = 0
X2 + 0 = 460 + -2x
X2 = 460 + -2x

Simplifying
X2 = 460 + -2x

Reorder the terms:
-460 + X2 + 2x = 460 + -2x + -460 + 2x

Reorder the terms:
-460 + X2 + 2x = 460 + -460 + -2x + 2x

Combine like terms: 460 + -460 = 0
-460 + X2 + 2x = 0 + -2x + 2x
-460 + X2 + 2x = -2x + 2x

Combine like terms: -2x + 2x = 0
-460 + X2 + 2x = 0

The solution to this equation could not be determined.

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