(9-x)(5x-1)=0

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Solution for (9-x)(5x-1)=0 equation:


Simplifying
(9 + -1x)(5x + -1) = 0

Reorder the terms:
(9 + -1x)(-1 + 5x) = 0

Multiply (9 + -1x) * (-1 + 5x)
(9(-1 + 5x) + -1x * (-1 + 5x)) = 0
((-1 * 9 + 5x * 9) + -1x * (-1 + 5x)) = 0
((-9 + 45x) + -1x * (-1 + 5x)) = 0
(-9 + 45x + (-1 * -1x + 5x * -1x)) = 0
(-9 + 45x + (1x + -5x2)) = 0

Combine like terms: 45x + 1x = 46x
(-9 + 46x + -5x2) = 0

Solving
-9 + 46x + -5x2 = 0

Solving for variable 'x'.

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

Subproblem 1

Set the factor '(-9 + x)' equal to zero and attempt to solve: Simplifying -9 + x = 0 Solving -9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + x = 0 + 9 x = 0 + 9 Combine like terms: 0 + 9 = 9 x = 9 Simplifying x = 9

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 = {9, 0.2}

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