0=4x^2-33x+80

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Solution for 0=4x^2-33x+80 equation:


Simplifying
0 = 4x2 + -33x + 80

Reorder the terms:
0 = 80 + -33x + 4x2

Solving
0 = 80 + -33x + 4x2

Solving for variable 'x'.

Combine like terms: 0 + -80 = -80
-80 + 33x + -4x2 = 80 + -33x + 4x2 + -80 + 33x + -4x2

Reorder the terms:
-80 + 33x + -4x2 = 80 + -80 + -33x + 33x + 4x2 + -4x2

Combine like terms: 80 + -80 = 0
-80 + 33x + -4x2 = 0 + -33x + 33x + 4x2 + -4x2
-80 + 33x + -4x2 = -33x + 33x + 4x2 + -4x2

Combine like terms: -33x + 33x = 0
-80 + 33x + -4x2 = 0 + 4x2 + -4x2
-80 + 33x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-80 + 33x + -4x2 = 0

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
20 + -8.25x + x2 = 0

Move the constant term to the right:

Add '-20' to each side of the equation.
20 + -8.25x + -20 + x2 = 0 + -20

Reorder the terms:
20 + -20 + -8.25x + x2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -8.25x + x2 = 0 + -20
-8.25x + x2 = 0 + -20

Combine like terms: 0 + -20 = -20
-8.25x + x2 = -20

The x term is -8.25x.  Take half its coefficient (-4.125).
Square it (17.015625) and add it to both sides.

Add '17.015625' to each side of the equation.
-8.25x + 17.015625 + x2 = -20 + 17.015625

Reorder the terms:
17.015625 + -8.25x + x2 = -20 + 17.015625

Combine like terms: -20 + 17.015625 = -2.984375
17.015625 + -8.25x + x2 = -2.984375

Factor a perfect square on the left side:
(x + -4.125)(x + -4.125) = -2.984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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