-3x(x-2)=5

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Solution for -3x(x-2)=5 equation:


Simplifying
-3x(x + -2) = 5

Reorder the terms:
-3x(-2 + x) = 5
(-2 * -3x + x * -3x) = 5
(6x + -3x2) = 5

Solving
6x + -3x2 = 5

Solving for variable 'x'.

Reorder the terms:
-5 + 6x + -3x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + 6x + -3x2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
1.666666667 + -2x + x2 = 0

Move the constant term to the right:

Add '-1.666666667' to each side of the equation.
1.666666667 + -2x + -1.666666667 + x2 = 0 + -1.666666667

Reorder the terms:
1.666666667 + -1.666666667 + -2x + x2 = 0 + -1.666666667

Combine like terms: 1.666666667 + -1.666666667 = 0.000000000
0.000000000 + -2x + x2 = 0 + -1.666666667
-2x + x2 = 0 + -1.666666667

Combine like terms: 0 + -1.666666667 = -1.666666667
-2x + x2 = -1.666666667

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -1.666666667 + 1

Reorder the terms:
1 + -2x + x2 = -1.666666667 + 1

Combine like terms: -1.666666667 + 1 = -0.666666667
1 + -2x + x2 = -0.666666667

Factor a perfect square on the left side:
(x + -1)(x + -1) = -0.666666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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