-5x(2x-1)=5+x

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Solution for -5x(2x-1)=5+x equation:


Simplifying
-5x(2x + -1) = 5 + x

Reorder the terms:
-5x(-1 + 2x) = 5 + x
(-1 * -5x + 2x * -5x) = 5 + x
(5x + -10x2) = 5 + x

Solving
5x + -10x2 = 5 + x

Solving for variable 'x'.

Reorder the terms:
-5 + 5x + -1x + -10x2 = 5 + x + -5 + -1x

Combine like terms: 5x + -1x = 4x
-5 + 4x + -10x2 = 5 + x + -5 + -1x

Reorder the terms:
-5 + 4x + -10x2 = 5 + -5 + x + -1x

Combine like terms: 5 + -5 = 0
-5 + 4x + -10x2 = 0 + x + -1x
-5 + 4x + -10x2 = x + -1x

Combine like terms: x + -1x = 0
-5 + 4x + -10x2 = 0

Begin completing the square.  Divide all terms by
-10 the coefficient of the squared term: 

Divide each side by '-10'.
0.5 + -0.4x + x2 = 0.0

Move the constant term to the right:

Add '-0.5' to each side of the equation.
0.5 + -0.4x + -0.5 + x2 = 0.0 + -0.5

Reorder the terms:
0.5 + -0.5 + -0.4x + x2 = 0.0 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -0.4x + x2 = 0.0 + -0.5
-0.4x + x2 = 0.0 + -0.5

Combine like terms: 0.0 + -0.5 = -0.5
-0.4x + x2 = -0.5

The x term is -0.4x.  Take half its coefficient (-0.2).
Square it (0.04) and add it to both sides.

Add '0.04' to each side of the equation.
-0.4x + 0.04 + x2 = -0.5 + 0.04

Reorder the terms:
0.04 + -0.4x + x2 = -0.5 + 0.04

Combine like terms: -0.5 + 0.04 = -0.46
0.04 + -0.4x + x2 = -0.46

Factor a perfect square on the left side:
(x + -0.2)(x + -0.2) = -0.46

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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