(225-5x)(75-x)=0

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Solution for (225-5x)(75-x)=0 equation:


Simplifying
(225 + -5x)(75 + -1x) = 0

Multiply (225 + -5x) * (75 + -1x)
(225(75 + -1x) + -5x * (75 + -1x)) = 0
((75 * 225 + -1x * 225) + -5x * (75 + -1x)) = 0
((16875 + -225x) + -5x * (75 + -1x)) = 0
(16875 + -225x + (75 * -5x + -1x * -5x)) = 0
(16875 + -225x + (-375x + 5x2)) = 0

Combine like terms: -225x + -375x = -600x
(16875 + -600x + 5x2) = 0

Solving
16875 + -600x + 5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(3375 + -120x + x2) = 0

Factor a trinomial.
5((45 + -1x)(75 + -1x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(45 + -1x)' equal to zero and attempt to solve: Simplifying 45 + -1x = 0 Solving 45 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-45' to each side of the equation. 45 + -45 + -1x = 0 + -45 Combine like terms: 45 + -45 = 0 0 + -1x = 0 + -45 -1x = 0 + -45 Combine like terms: 0 + -45 = -45 -1x = -45 Divide each side by '-1'. x = 45 Simplifying x = 45

Subproblem 2

Set the factor '(75 + -1x)' equal to zero and attempt to solve: Simplifying 75 + -1x = 0 Solving 75 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-75' to each side of the equation. 75 + -75 + -1x = 0 + -75 Combine like terms: 75 + -75 = 0 0 + -1x = 0 + -75 -1x = 0 + -75 Combine like terms: 0 + -75 = -75 -1x = -75 Divide each side by '-1'. x = 75 Simplifying x = 75

Solution

x = {45, 75}

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