x^2-13x=-75

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Solution for x^2-13x=-75 equation:


Simplifying
x2 + -13x = -75

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

Solving
-13x + x2 = -75

Solving for variable 'x'.

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

Combine like terms: -75 + 75 = 0
75 + -13x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-75' to each side of the equation.
75 + -13x + -75 + x2 = 0 + -75

Reorder the terms:
75 + -75 + -13x + x2 = 0 + -75

Combine like terms: 75 + -75 = 0
0 + -13x + x2 = 0 + -75
-13x + x2 = 0 + -75

Combine like terms: 0 + -75 = -75
-13x + x2 = -75

The x term is -13x.  Take half its coefficient (-6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
-13x + 42.25 + x2 = -75 + 42.25

Reorder the terms:
42.25 + -13x + x2 = -75 + 42.25

Combine like terms: -75 + 42.25 = -32.75
42.25 + -13x + x2 = -32.75

Factor a perfect square on the left side:
(x + -6.5)(x + -6.5) = -32.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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