x=7x^2-6x+5

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Solution for x=7x^2-6x+5 equation:


Simplifying
x = 7x2 + -6x + 5

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

Solving
x = 5 + -6x + 7x2

Solving for variable 'x'.

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

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

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

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

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

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

Begin completing the square.  Divide all terms by
-7 the coefficient of the squared term: 

Divide each side by '-7'.
0.7142857143 + -1x + x2 = 0

Move the constant term to the right:

Add '-0.7142857143' to each side of the equation.
0.7142857143 + -1x + -0.7142857143 + x2 = 0 + -0.7142857143

Reorder the terms:
0.7142857143 + -0.7142857143 + -1x + x2 = 0 + -0.7142857143

Combine like terms: 0.7142857143 + -0.7142857143 = 0.0000000000
0.0000000000 + -1x + x2 = 0 + -0.7142857143
-1x + x2 = 0 + -0.7142857143

Combine like terms: 0 + -0.7142857143 = -0.7142857143
-1x + x2 = -0.7142857143

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = -0.7142857143 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -0.7142857143 + 0.25

Combine like terms: -0.7142857143 + 0.25 = -0.4642857143
0.25 + -1x + x2 = -0.4642857143

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -0.4642857143

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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