7x^2-9x+5=0

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Solution for 7x^2-9x+5=0 equation:


Simplifying
7x2 + -9x + 5 = 0

Reorder the terms:
5 + -9x + 7x2 = 0

Solving
5 + -9x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
0.7142857143 + -1.285714286x + x2 = 0

Move the constant term to the right:

Add '-0.7142857143' to each side of the equation.
0.7142857143 + -1.285714286x + -0.7142857143 + x2 = 0 + -0.7142857143

Reorder the terms:
0.7142857143 + -0.7142857143 + -1.285714286x + x2 = 0 + -0.7142857143

Combine like terms: 0.7142857143 + -0.7142857143 = 0.0000000000
0.0000000000 + -1.285714286x + x2 = 0 + -0.7142857143
-1.285714286x + x2 = 0 + -0.7142857143

Combine like terms: 0 + -0.7142857143 = -0.7142857143
-1.285714286x + x2 = -0.7142857143

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 = -0.7142857143 + 0.4132653063

Reorder the terms:
0.4132653063 + -1.285714286x + x2 = -0.7142857143 + 0.4132653063

Combine like terms: -0.7142857143 + 0.4132653063 = -0.301020408
0.4132653063 + -1.285714286x + x2 = -0.301020408

Factor a perfect square on the left side:
(x + -0.642857143)(x + -0.642857143) = -0.301020408

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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