0=3x^2-24x+640

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Solution for 0=3x^2-24x+640 equation:


Simplifying
0 = 3x2 + -24x + 640

Reorder the terms:
0 = 640 + -24x + 3x2

Solving
0 = 640 + -24x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + -640 = -640
-640 + 24x + -3x2 = 640 + -24x + 3x2 + -640 + 24x + -3x2

Reorder the terms:
-640 + 24x + -3x2 = 640 + -640 + -24x + 24x + 3x2 + -3x2

Combine like terms: 640 + -640 = 0
-640 + 24x + -3x2 = 0 + -24x + 24x + 3x2 + -3x2
-640 + 24x + -3x2 = -24x + 24x + 3x2 + -3x2

Combine like terms: -24x + 24x = 0
-640 + 24x + -3x2 = 0 + 3x2 + -3x2
-640 + 24x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-640 + 24x + -3x2 = 0

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

Divide each side by '-3'.
213.3333333 + -8x + x2 = 0

Move the constant term to the right:

Add '-213.3333333' to each side of the equation.
213.3333333 + -8x + -213.3333333 + x2 = 0 + -213.3333333

Reorder the terms:
213.3333333 + -213.3333333 + -8x + x2 = 0 + -213.3333333

Combine like terms: 213.3333333 + -213.3333333 = 0.0000000
0.0000000 + -8x + x2 = 0 + -213.3333333
-8x + x2 = 0 + -213.3333333

Combine like terms: 0 + -213.3333333 = -213.3333333
-8x + x2 = -213.3333333

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = -213.3333333 + 16

Reorder the terms:
16 + -8x + x2 = -213.3333333 + 16

Combine like terms: -213.3333333 + 16 = -197.3333333
16 + -8x + x2 = -197.3333333

Factor a perfect square on the left side:
(x + -4)(x + -4) = -197.3333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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