3x(5x-2)+4x=9x+6-2x

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Solution for 3x(5x-2)+4x=9x+6-2x equation:


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

Reorder the terms:
3x(-2 + 5x) + 4x = 9x + 6 + -2x
(-2 * 3x + 5x * 3x) + 4x = 9x + 6 + -2x
(-6x + 15x2) + 4x = 9x + 6 + -2x

Reorder the terms:
-6x + 4x + 15x2 = 9x + 6 + -2x

Combine like terms: -6x + 4x = -2x
-2x + 15x2 = 9x + 6 + -2x

Reorder the terms:
-2x + 15x2 = 6 + 9x + -2x

Combine like terms: 9x + -2x = 7x
-2x + 15x2 = 6 + 7x

Solving
-2x + 15x2 = 6 + 7x

Solving for variable 'x'.

Reorder the terms:
-6 + -2x + -7x + 15x2 = 6 + 7x + -6 + -7x

Combine like terms: -2x + -7x = -9x
-6 + -9x + 15x2 = 6 + 7x + -6 + -7x

Reorder the terms:
-6 + -9x + 15x2 = 6 + -6 + 7x + -7x

Combine like terms: 6 + -6 = 0
-6 + -9x + 15x2 = 0 + 7x + -7x
-6 + -9x + 15x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
-6 + -9x + 15x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-2 + -3x + 5x2) = 0

Factor a trinomial.
3((-2 + -5x)(1 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-2 + -5x)' equal to zero and attempt to solve: Simplifying -2 + -5x = 0 Solving -2 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -5x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -5x = 0 + 2 -5x = 0 + 2 Combine like terms: 0 + 2 = 2 -5x = 2 Divide each side by '-5'. x = -0.4 Simplifying x = -0.4

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 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 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {-0.4, 1}

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