5x^2-35x+75=13

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Solution for 5x^2-35x+75=13 equation:


Simplifying
5x2 + -35x + 75 = 13

Reorder the terms:
75 + -35x + 5x2 = 13

Solving
75 + -35x + 5x2 = 13

Solving for variable 'x'.

Reorder the terms:
75 + -13 + -35x + 5x2 = 13 + -13

Combine like terms: 75 + -13 = 62
62 + -35x + 5x2 = 13 + -13

Combine like terms: 13 + -13 = 0
62 + -35x + 5x2 = 0

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

Divide each side by '5'.
12.4 + -7x + x2 = 0

Move the constant term to the right:

Add '-12.4' to each side of the equation.
12.4 + -7x + -12.4 + x2 = 0 + -12.4

Reorder the terms:
12.4 + -12.4 + -7x + x2 = 0 + -12.4

Combine like terms: 12.4 + -12.4 = 0.0
0.0 + -7x + x2 = 0 + -12.4
-7x + x2 = 0 + -12.4

Combine like terms: 0 + -12.4 = -12.4
-7x + x2 = -12.4

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = -12.4 + 12.25

Reorder the terms:
12.25 + -7x + x2 = -12.4 + 12.25

Combine like terms: -12.4 + 12.25 = -0.15
12.25 + -7x + x2 = -0.15

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = -0.15

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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