7x^2=8x-3

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Solution for 7x^2=8x-3 equation:


Simplifying
7x2 = 8x + -3

Reorder the terms:
7x2 = -3 + 8x

Solving
7x2 = -3 + 8x

Solving for variable 'x'.

Reorder the terms:
3 + -8x + 7x2 = -3 + 8x + 3 + -8x

Reorder the terms:
3 + -8x + 7x2 = -3 + 3 + 8x + -8x

Combine like terms: -3 + 3 = 0
3 + -8x + 7x2 = 0 + 8x + -8x
3 + -8x + 7x2 = 8x + -8x

Combine like terms: 8x + -8x = 0
3 + -8x + 7x2 = 0

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

Divide each side by '7'.
0.4285714286 + -1.142857143x + x2 = 0

Move the constant term to the right:

Add '-0.4285714286' to each side of the equation.
0.4285714286 + -1.142857143x + -0.4285714286 + x2 = 0 + -0.4285714286

Reorder the terms:
0.4285714286 + -0.4285714286 + -1.142857143x + x2 = 0 + -0.4285714286

Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000
0.0000000000 + -1.142857143x + x2 = 0 + -0.4285714286
-1.142857143x + x2 = 0 + -0.4285714286

Combine like terms: 0 + -0.4285714286 = -0.4285714286
-1.142857143x + x2 = -0.4285714286

The x term is -1.142857143x.  Take half its coefficient (-0.5714285715).
Square it (0.3265306123) and add it to both sides.

Add '0.3265306123' to each side of the equation.
-1.142857143x + 0.3265306123 + x2 = -0.4285714286 + 0.3265306123

Reorder the terms:
0.3265306123 + -1.142857143x + x2 = -0.4285714286 + 0.3265306123

Combine like terms: -0.4285714286 + 0.3265306123 = -0.1020408163
0.3265306123 + -1.142857143x + x2 = -0.1020408163

Factor a perfect square on the left side:
(x + -0.5714285715)(x + -0.5714285715) = -0.1020408163

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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