9x-8=7x^2

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Solution for 9x-8=7x^2 equation:


Simplifying
9x + -8 = 7x2

Reorder the terms:
-8 + 9x = 7x2

Solving
-8 + 9x = 7x2

Solving for variable 'x'.

Combine like terms: 7x2 + -7x2 = 0
-8 + 9x + -7x2 = 0

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

Divide each side by '-7'.
1.142857143 + -1.285714286x + x2 = 0

Move the constant term to the right:

Add '-1.142857143' to each side of the equation.
1.142857143 + -1.285714286x + -1.142857143 + x2 = 0 + -1.142857143

Reorder the terms:
1.142857143 + -1.142857143 + -1.285714286x + x2 = 0 + -1.142857143

Combine like terms: 1.142857143 + -1.142857143 = 0.000000000
0.000000000 + -1.285714286x + x2 = 0 + -1.142857143
-1.285714286x + x2 = 0 + -1.142857143

Combine like terms: 0 + -1.142857143 = -1.142857143
-1.285714286x + x2 = -1.142857143

The x term is -1.285714286x.  Take half its coefficient (-0.642857143).
Square it (0.4132653063) and add it to both sides.

Add '0.4132653063' to each side of the equation.
-1.285714286x + 0.4132653063 + x2 = -1.142857143 + 0.4132653063

Reorder the terms:
0.4132653063 + -1.285714286x + x2 = -1.142857143 + 0.4132653063

Combine like terms: -1.142857143 + 0.4132653063 = -0.7295918367
0.4132653063 + -1.285714286x + x2 = -0.7295918367

Factor a perfect square on the left side:
(x + -0.642857143)(x + -0.642857143) = -0.7295918367

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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