5x^2-36x+75=0

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Solution for 5x^2-36x+75=0 equation:


Simplifying
5x2 + -36x + 75 = 0

Reorder the terms:
75 + -36x + 5x2 = 0

Solving
75 + -36x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
15 + -7.2x + x2 = 0

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -7.2x + -15 + x2 = 0 + -15

Reorder the terms:
15 + -15 + -7.2x + x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -7.2x + x2 = 0 + -15
-7.2x + x2 = 0 + -15

Combine like terms: 0 + -15 = -15
-7.2x + x2 = -15

The x term is -7.2x.  Take half its coefficient (-3.6).
Square it (12.96) and add it to both sides.

Add '12.96' to each side of the equation.
-7.2x + 12.96 + x2 = -15 + 12.96

Reorder the terms:
12.96 + -7.2x + x2 = -15 + 12.96

Combine like terms: -15 + 12.96 = -2.04
12.96 + -7.2x + x2 = -2.04

Factor a perfect square on the left side:
(x + -3.6)(x + -3.6) = -2.04

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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