-5x^2=-7x+13

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Solution for -5x^2=-7x+13 equation:


Simplifying
-5x2 = -7x + 13

Reorder the terms:
-5x2 = 13 + -7x

Solving
-5x2 = 13 + -7x

Solving for variable 'x'.

Reorder the terms:
-13 + 7x + -5x2 = 13 + -7x + -13 + 7x

Reorder the terms:
-13 + 7x + -5x2 = 13 + -13 + -7x + 7x

Combine like terms: 13 + -13 = 0
-13 + 7x + -5x2 = 0 + -7x + 7x
-13 + 7x + -5x2 = -7x + 7x

Combine like terms: -7x + 7x = 0
-13 + 7x + -5x2 = 0

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
2.6 + -1.4x + x2 = 0

Move the constant term to the right:

Add '-2.6' to each side of the equation.
2.6 + -1.4x + -2.6 + x2 = 0 + -2.6

Reorder the terms:
2.6 + -2.6 + -1.4x + x2 = 0 + -2.6

Combine like terms: 2.6 + -2.6 = 0.0
0.0 + -1.4x + x2 = 0 + -2.6
-1.4x + x2 = 0 + -2.6

Combine like terms: 0 + -2.6 = -2.6
-1.4x + x2 = -2.6

The x term is -1.4x.  Take half its coefficient (-0.7).
Square it (0.49) and add it to both sides.

Add '0.49' to each side of the equation.
-1.4x + 0.49 + x2 = -2.6 + 0.49

Reorder the terms:
0.49 + -1.4x + x2 = -2.6 + 0.49

Combine like terms: -2.6 + 0.49 = -2.11
0.49 + -1.4x + x2 = -2.11

Factor a perfect square on the left side:
(x + -0.7)(x + -0.7) = -2.11

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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