7x^2-4x+70=0

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Solution for 7x^2-4x+70=0 equation:


Simplifying
7x2 + -4x + 70 = 0

Reorder the terms:
70 + -4x + 7x2 = 0

Solving
70 + -4x + 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'.
10 + -0.5714285714x + x2 = 0

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -0.5714285714x + -10 + x2 = 0 + -10

Reorder the terms:
10 + -10 + -0.5714285714x + x2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -0.5714285714x + x2 = 0 + -10
-0.5714285714x + x2 = 0 + -10

Combine like terms: 0 + -10 = -10
-0.5714285714x + x2 = -10

The x term is -0.5714285714x.  Take half its coefficient (-0.2857142857).
Square it (0.08163265305) and add it to both sides.

Add '0.08163265305' to each side of the equation.
-0.5714285714x + 0.08163265305 + x2 = -10 + 0.08163265305

Reorder the terms:
0.08163265305 + -0.5714285714x + x2 = -10 + 0.08163265305

Combine like terms: -10 + 0.08163265305 = -9.91836734695
0.08163265305 + -0.5714285714x + x2 = -9.91836734695

Factor a perfect square on the left side:
(x + -0.2857142857)(x + -0.2857142857) = -9.91836734695

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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