(5x^2-8(x-3))-(-4(x^2-2)-9x)=

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Solution for (5x^2-8(x-3))-(-4(x^2-2)-9x)= equation:


Simplifying
(5x2 + -8(x + -3)) + -1(-4(x2 + -2) + -9x) = 0

Reorder the terms:
(5x2 + -8(-3 + x)) + -1(-4(x2 + -2) + -9x) = 0
(5x2 + (-3 * -8 + x * -8)) + -1(-4(x2 + -2) + -9x) = 0
(5x2 + (24 + -8x)) + -1(-4(x2 + -2) + -9x) = 0

Reorder the terms:
(24 + -8x + 5x2) + -1(-4(x2 + -2) + -9x) = 0

Remove parenthesis around (24 + -8x + 5x2)
24 + -8x + 5x2 + -1(-4(x2 + -2) + -9x) = 0

Reorder the terms:
24 + -8x + 5x2 + -1(-4(-2 + x2) + -9x) = 0
24 + -8x + 5x2 + -1((-2 * -4 + x2 * -4) + -9x) = 0
24 + -8x + 5x2 + -1((8 + -4x2) + -9x) = 0

Reorder the terms:
24 + -8x + 5x2 + -1(8 + -9x + -4x2) = 0
24 + -8x + 5x2 + (8 * -1 + -9x * -1 + -4x2 * -1) = 0
24 + -8x + 5x2 + (-8 + 9x + 4x2) = 0

Reorder the terms:
24 + -8 + -8x + 9x + 5x2 + 4x2 = 0

Combine like terms: 24 + -8 = 16
16 + -8x + 9x + 5x2 + 4x2 = 0

Combine like terms: -8x + 9x = 1x
16 + 1x + 5x2 + 4x2 = 0

Combine like terms: 5x2 + 4x2 = 9x2
16 + 1x + 9x2 = 0

Solving
16 + 1x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
1.777777778 + 0.1111111111x + x2 = 0

Move the constant term to the right:

Add '-1.777777778' to each side of the equation.
1.777777778 + 0.1111111111x + -1.777777778 + x2 = 0 + -1.777777778

Reorder the terms:
1.777777778 + -1.777777778 + 0.1111111111x + x2 = 0 + -1.777777778

Combine like terms: 1.777777778 + -1.777777778 = 0.000000000
0.000000000 + 0.1111111111x + x2 = 0 + -1.777777778
0.1111111111x + x2 = 0 + -1.777777778

Combine like terms: 0 + -1.777777778 = -1.777777778
0.1111111111x + x2 = -1.777777778

The x term is 0.1111111111x.  Take half its coefficient (0.05555555555).
Square it (0.003086419752) and add it to both sides.

Add '0.003086419752' to each side of the equation.
0.1111111111x + 0.003086419752 + x2 = -1.777777778 + 0.003086419752

Reorder the terms:
0.003086419752 + 0.1111111111x + x2 = -1.777777778 + 0.003086419752

Combine like terms: -1.777777778 + 0.003086419752 = -1.774691358248
0.003086419752 + 0.1111111111x + x2 = -1.774691358248

Factor a perfect square on the left side:
(x + 0.05555555555)(x + 0.05555555555) = -1.774691358248

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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