(4x^2-2x-2x+1)-(9x^2+6x+6x+4)=0

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Solution for (4x^2-2x-2x+1)-(9x^2+6x+6x+4)=0 equation:


Simplifying
(4x2 + -2x + -2x + 1) + -1(9x2 + 6x + 6x + 4) = 0

Reorder the terms:
(1 + -2x + -2x + 4x2) + -1(9x2 + 6x + 6x + 4) = 0

Combine like terms: -2x + -2x = -4x
(1 + -4x + 4x2) + -1(9x2 + 6x + 6x + 4) = 0

Remove parenthesis around (1 + -4x + 4x2)
1 + -4x + 4x2 + -1(9x2 + 6x + 6x + 4) = 0

Reorder the terms:
1 + -4x + 4x2 + -1(4 + 6x + 6x + 9x2) = 0

Combine like terms: 6x + 6x = 12x
1 + -4x + 4x2 + -1(4 + 12x + 9x2) = 0
1 + -4x + 4x2 + (4 * -1 + 12x * -1 + 9x2 * -1) = 0
1 + -4x + 4x2 + (-4 + -12x + -9x2) = 0

Reorder the terms:
1 + -4 + -4x + -12x + 4x2 + -9x2 = 0

Combine like terms: 1 + -4 = -3
-3 + -4x + -12x + 4x2 + -9x2 = 0

Combine like terms: -4x + -12x = -16x
-3 + -16x + 4x2 + -9x2 = 0

Combine like terms: 4x2 + -9x2 = -5x2
-3 + -16x + -5x2 = 0

Solving
-3 + -16x + -5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(3 + 16x + 5x2) = 0

Factor a trinomial.
-1((3 + x)(1 + 5x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(1 + 5x)' equal to zero and attempt to solve: Simplifying 1 + 5x = 0 Solving 1 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 5x = 0 + -1 5x = 0 + -1 Combine like terms: 0 + -1 = -1 5x = -1 Divide each side by '5'. x = -0.2 Simplifying x = -0.2

Solution

x = {-3, -0.2}

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