5x^2-12x+54=0

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Solution for 5x^2-12x+54=0 equation:


Simplifying
5x2 + -12x + 54 = 0

Reorder the terms:
54 + -12x + 5x2 = 0

Solving
54 + -12x + 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'.
10.8 + -2.4x + x2 = 0

Move the constant term to the right:

Add '-10.8' to each side of the equation.
10.8 + -2.4x + -10.8 + x2 = 0 + -10.8

Reorder the terms:
10.8 + -10.8 + -2.4x + x2 = 0 + -10.8

Combine like terms: 10.8 + -10.8 = 0.0
0.0 + -2.4x + x2 = 0 + -10.8
-2.4x + x2 = 0 + -10.8

Combine like terms: 0 + -10.8 = -10.8
-2.4x + x2 = -10.8

The x term is -2.4x.  Take half its coefficient (-1.2).
Square it (1.44) and add it to both sides.

Add '1.44' to each side of the equation.
-2.4x + 1.44 + x2 = -10.8 + 1.44

Reorder the terms:
1.44 + -2.4x + x2 = -10.8 + 1.44

Combine like terms: -10.8 + 1.44 = -9.36
1.44 + -2.4x + x2 = -9.36

Factor a perfect square on the left side:
(x + -1.2)(x + -1.2) = -9.36

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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