6x^2+7x-5(2x-1)=0

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Solution for 6x^2+7x-5(2x-1)=0 equation:


Simplifying
6x2 + 7x + -5(2x + -1) = 0

Reorder the terms:
6x2 + 7x + -5(-1 + 2x) = 0
6x2 + 7x + (-1 * -5 + 2x * -5) = 0
6x2 + 7x + (5 + -10x) = 0

Reorder the terms:
5 + 7x + -10x + 6x2 = 0

Combine like terms: 7x + -10x = -3x
5 + -3x + 6x2 = 0

Solving
5 + -3x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
0.8333333333 + -0.5x + x2 = 0

Move the constant term to the right:

Add '-0.8333333333' to each side of the equation.
0.8333333333 + -0.5x + -0.8333333333 + x2 = 0 + -0.8333333333

Reorder the terms:
0.8333333333 + -0.8333333333 + -0.5x + x2 = 0 + -0.8333333333

Combine like terms: 0.8333333333 + -0.8333333333 = 0.0000000000
0.0000000000 + -0.5x + x2 = 0 + -0.8333333333
-0.5x + x2 = 0 + -0.8333333333

Combine like terms: 0 + -0.8333333333 = -0.8333333333
-0.5x + x2 = -0.8333333333

The x term is -0.5x.  Take half its coefficient (-0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
-0.5x + 0.0625 + x2 = -0.8333333333 + 0.0625

Reorder the terms:
0.0625 + -0.5x + x2 = -0.8333333333 + 0.0625

Combine like terms: -0.8333333333 + 0.0625 = -0.7708333333
0.0625 + -0.5x + x2 = -0.7708333333

Factor a perfect square on the left side:
(x + -0.25)(x + -0.25) = -0.7708333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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