X^2+42x-0.21=0

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Solution for X^2+42x-0.21=0 equation: 


Simplifying
X2 + 42x + -0.21 = 0

Reorder the terms:
-0.21 + X2 + 42x = 0

Solving
-0.21 + X2 + 42x = 0

Solving for variable 'X'.

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

Add '0.21' to each side of the equation.
-0.21 + X2 + 0.21 + 42x = 0 + 0.21

Reorder the terms:
-0.21 + 0.21 + X2 + 42x = 0 + 0.21

Combine like terms: -0.21 + 0.21 = 0.00
0.00 + X2 + 42x = 0 + 0.21
X2 + 42x = 0 + 0.21

Combine like terms: 0 + 0.21 = 0.21
X2 + 42x = 0.21

Add '-42x' to each side of the equation.
X2 + 42x + -42x = 0.21 + -42x

Combine like terms: 42x + -42x = 0
X2 + 0 = 0.21 + -42x
X2 = 0.21 + -42x

Simplifying
X2 = 0.21 + -42x

Reorder the terms:
-0.21 + X2 + 42x = 0.21 + -42x + -0.21 + 42x

Reorder the terms:
-0.21 + X2 + 42x = 0.21 + -0.21 + -42x + 42x

Combine like terms: 0.21 + -0.21 = 0.00
-0.21 + X2 + 42x = 0.00 + -42x + 42x
-0.21 + X2 + 42x = -42x + 42x

Combine like terms: -42x + 42x = 0
-0.21 + X2 + 42x = 0

The solution to this equation could not be determined.

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