64-15x+x^2=0

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Solution for 64-15x+x^2=0 equation:


Simplifying
64 + -15x + x2 = 0

Solving
64 + -15x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-64' to each side of the equation.
64 + -15x + -64 + x2 = 0 + -64

Reorder the terms:
64 + -64 + -15x + x2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -15x + x2 = 0 + -64
-15x + x2 = 0 + -64

Combine like terms: 0 + -64 = -64
-15x + x2 = -64

The x term is -15x.  Take half its coefficient (-7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
-15x + 56.25 + x2 = -64 + 56.25

Reorder the terms:
56.25 + -15x + x2 = -64 + 56.25

Combine like terms: -64 + 56.25 = -7.75
56.25 + -15x + x2 = -7.75

Factor a perfect square on the left side:
(x + -7.5)(x + -7.5) = -7.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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