(3x-8)-(4x^2-3x+13)=

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Solution for (3x-8)-(4x^2-3x+13)= equation:


Simplifying
(3x + -8) + -1(4x2 + -3x + 13) = 0

Reorder the terms:
(-8 + 3x) + -1(4x2 + -3x + 13) = 0

Remove parenthesis around (-8 + 3x)
-8 + 3x + -1(4x2 + -3x + 13) = 0

Reorder the terms:
-8 + 3x + -1(13 + -3x + 4x2) = 0
-8 + 3x + (13 * -1 + -3x * -1 + 4x2 * -1) = 0
-8 + 3x + (-13 + 3x + -4x2) = 0

Reorder the terms:
-8 + -13 + 3x + 3x + -4x2 = 0

Combine like terms: -8 + -13 = -21
-21 + 3x + 3x + -4x2 = 0

Combine like terms: 3x + 3x = 6x
-21 + 6x + -4x2 = 0

Solving
-21 + 6x + -4x2 = 0

Solving for variable 'x'.

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

Divide each side by '-4'.
5.25 + -1.5x + x2 = 0

Move the constant term to the right:

Add '-5.25' to each side of the equation.
5.25 + -1.5x + -5.25 + x2 = 0 + -5.25

Reorder the terms:
5.25 + -5.25 + -1.5x + x2 = 0 + -5.25

Combine like terms: 5.25 + -5.25 = 0.00
0.00 + -1.5x + x2 = 0 + -5.25
-1.5x + x2 = 0 + -5.25

Combine like terms: 0 + -5.25 = -5.25
-1.5x + x2 = -5.25

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = -5.25 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = -5.25 + 0.5625

Combine like terms: -5.25 + 0.5625 = -4.6875
0.5625 + -1.5x + x2 = -4.6875

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = -4.6875

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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