3(3x-1)+5(5x+1)=3(5x+1)(3x-1)

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Solution for 3(3x-1)+5(5x+1)=3(5x+1)(3x-1) equation:


Simplifying
3(3x + -1) + 5(5x + 1) = 3(5x + 1)(3x + -1)

Reorder the terms:
3(-1 + 3x) + 5(5x + 1) = 3(5x + 1)(3x + -1)
(-1 * 3 + 3x * 3) + 5(5x + 1) = 3(5x + 1)(3x + -1)
(-3 + 9x) + 5(5x + 1) = 3(5x + 1)(3x + -1)

Reorder the terms:
-3 + 9x + 5(1 + 5x) = 3(5x + 1)(3x + -1)
-3 + 9x + (1 * 5 + 5x * 5) = 3(5x + 1)(3x + -1)
-3 + 9x + (5 + 25x) = 3(5x + 1)(3x + -1)

Reorder the terms:
-3 + 5 + 9x + 25x = 3(5x + 1)(3x + -1)

Combine like terms: -3 + 5 = 2
2 + 9x + 25x = 3(5x + 1)(3x + -1)

Combine like terms: 9x + 25x = 34x
2 + 34x = 3(5x + 1)(3x + -1)

Reorder the terms:
2 + 34x = 3(1 + 5x)(3x + -1)

Reorder the terms:
2 + 34x = 3(1 + 5x)(-1 + 3x)

Multiply (1 + 5x) * (-1 + 3x)
2 + 34x = 3(1(-1 + 3x) + 5x * (-1 + 3x))
2 + 34x = 3((-1 * 1 + 3x * 1) + 5x * (-1 + 3x))
2 + 34x = 3((-1 + 3x) + 5x * (-1 + 3x))
2 + 34x = 3(-1 + 3x + (-1 * 5x + 3x * 5x))
2 + 34x = 3(-1 + 3x + (-5x + 15x2))

Combine like terms: 3x + -5x = -2x
2 + 34x = 3(-1 + -2x + 15x2)
2 + 34x = (-1 * 3 + -2x * 3 + 15x2 * 3)
2 + 34x = (-3 + -6x + 45x2)

Solving
2 + 34x = -3 + -6x + 45x2

Solving for variable 'x'.

Reorder the terms:
2 + 3 + 34x + 6x + -45x2 = -3 + -6x + 45x2 + 3 + 6x + -45x2

Combine like terms: 2 + 3 = 5
5 + 34x + 6x + -45x2 = -3 + -6x + 45x2 + 3 + 6x + -45x2

Combine like terms: 34x + 6x = 40x
5 + 40x + -45x2 = -3 + -6x + 45x2 + 3 + 6x + -45x2

Reorder the terms:
5 + 40x + -45x2 = -3 + 3 + -6x + 6x + 45x2 + -45x2

Combine like terms: -3 + 3 = 0
5 + 40x + -45x2 = 0 + -6x + 6x + 45x2 + -45x2
5 + 40x + -45x2 = -6x + 6x + 45x2 + -45x2

Combine like terms: -6x + 6x = 0
5 + 40x + -45x2 = 0 + 45x2 + -45x2
5 + 40x + -45x2 = 45x2 + -45x2

Combine like terms: 45x2 + -45x2 = 0
5 + 40x + -45x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(1 + 8x + -9x2) = 0

Factor a trinomial.
5((1 + -1x)(1 + 9x)) = 0

Ignore the factor 5.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 9x)' equal to zero and attempt to solve: Simplifying 1 + 9x = 0 Solving 1 + 9x = 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 + 9x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 9x = 0 + -1 9x = 0 + -1 Combine like terms: 0 + -1 = -1 9x = -1 Divide each side by '9'. x = -0.1111111111 Simplifying x = -0.1111111111

Solution

x = {1, -0.1111111111}

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