(225-5x)(75+x)=15795

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Solution for (225-5x)(75+x)=15795 equation:


Simplifying
(225 + -5x)(75 + x) = 15795

Multiply (225 + -5x) * (75 + x)
(225(75 + x) + -5x * (75 + x)) = 15795
((75 * 225 + x * 225) + -5x * (75 + x)) = 15795
((16875 + 225x) + -5x * (75 + x)) = 15795
(16875 + 225x + (75 * -5x + x * -5x)) = 15795
(16875 + 225x + (-375x + -5x2)) = 15795

Combine like terms: 225x + -375x = -150x
(16875 + -150x + -5x2) = 15795

Solving
16875 + -150x + -5x2 = 15795

Solving for variable 'x'.

Reorder the terms:
16875 + -15795 + -150x + -5x2 = 15795 + -15795

Combine like terms: 16875 + -15795 = 1080
1080 + -150x + -5x2 = 15795 + -15795

Combine like terms: 15795 + -15795 = 0
1080 + -150x + -5x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(216 + -30x + -1x2) = 0

Factor a trinomial.
5((6 + -1x)(36 + x)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Subproblem 2

Set the factor '(36 + x)' equal to zero and attempt to solve: Simplifying 36 + x = 0 Solving 36 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-36' to each side of the equation. 36 + -36 + x = 0 + -36 Combine like terms: 36 + -36 = 0 0 + x = 0 + -36 x = 0 + -36 Combine like terms: 0 + -36 = -36 x = -36 Simplifying x = -36

Solution

x = {6, -36}

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