(9x-1)(4x+3)=0

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Solution for (9x-1)(4x+3)=0 equation:


Simplifying
(9x + -1)(4x + 3) = 0

Reorder the terms:
(-1 + 9x)(4x + 3) = 0

Reorder the terms:
(-1 + 9x)(3 + 4x) = 0

Multiply (-1 + 9x) * (3 + 4x)
(-1(3 + 4x) + 9x * (3 + 4x)) = 0
((3 * -1 + 4x * -1) + 9x * (3 + 4x)) = 0
((-3 + -4x) + 9x * (3 + 4x)) = 0
(-3 + -4x + (3 * 9x + 4x * 9x)) = 0
(-3 + -4x + (27x + 36x2)) = 0

Combine like terms: -4x + 27x = 23x
(-3 + 23x + 36x2) = 0

Solving
-3 + 23x + 36x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + -4x)(1 + -9x) = 0

Subproblem 1

Set the factor '(-3 + -4x)' equal to zero and attempt to solve: Simplifying -3 + -4x = 0 Solving -3 + -4x = 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 + -4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4x = 0 + 3 -4x = 0 + 3 Combine like terms: 0 + 3 = 3 -4x = 3 Divide each side by '-4'. x = -0.75 Simplifying x = -0.75

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 = {-0.75, 0.1111111111}

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