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

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


Simplifying
2x(4 + -3x) + 5 = 3x2 + -4x + -3 + -9x2
(4 * 2x + -3x * 2x) + 5 = 3x2 + -4x + -3 + -9x2
(8x + -6x2) + 5 = 3x2 + -4x + -3 + -9x2

Reorder the terms:
5 + 8x + -6x2 = 3x2 + -4x + -3 + -9x2

Reorder the terms:
5 + 8x + -6x2 = -3 + -4x + 3x2 + -9x2

Combine like terms: 3x2 + -9x2 = -6x2
5 + 8x + -6x2 = -3 + -4x + -6x2

Add '6x2' to each side of the equation.
5 + 8x + -6x2 + 6x2 = -3 + -4x + -6x2 + 6x2

Combine like terms: -6x2 + 6x2 = 0
5 + 8x + 0 = -3 + -4x + -6x2 + 6x2
5 + 8x = -3 + -4x + -6x2 + 6x2

Combine like terms: -6x2 + 6x2 = 0
5 + 8x = -3 + -4x + 0
5 + 8x = -3 + -4x

Solving
5 + 8x = -3 + -4x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '4x' to each side of the equation.
5 + 8x + 4x = -3 + -4x + 4x

Combine like terms: 8x + 4x = 12x
5 + 12x = -3 + -4x + 4x

Combine like terms: -4x + 4x = 0
5 + 12x = -3 + 0
5 + 12x = -3

Add '-5' to each side of the equation.
5 + -5 + 12x = -3 + -5

Combine like terms: 5 + -5 = 0
0 + 12x = -3 + -5
12x = -3 + -5

Combine like terms: -3 + -5 = -8
12x = -8

Divide each side by '12'.
x = -0.6666666667

Simplifying
x = -0.6666666667

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