(25-x)(800+50x)=0

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Solution for (25-x)(800+50x)=0 equation:


Simplifying
(25 + -1x)(800 + 50x) = 0

Multiply (25 + -1x) * (800 + 50x)
(25(800 + 50x) + -1x * (800 + 50x)) = 0
((800 * 25 + 50x * 25) + -1x * (800 + 50x)) = 0
((20000 + 1250x) + -1x * (800 + 50x)) = 0
(20000 + 1250x + (800 * -1x + 50x * -1x)) = 0
(20000 + 1250x + (-800x + -50x2)) = 0

Combine like terms: 1250x + -800x = 450x
(20000 + 450x + -50x2) = 0

Solving
20000 + 450x + -50x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '50'.
50(400 + 9x + -1x2) = 0

Factor a trinomial.
50((25 + -1x)(16 + x)) = 0

Ignore the factor 50.

Subproblem 1

Set the factor '(25 + -1x)' equal to zero and attempt to solve: Simplifying 25 + -1x = 0 Solving 25 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + -1x = 0 + -25 Combine like terms: 25 + -25 = 0 0 + -1x = 0 + -25 -1x = 0 + -25 Combine like terms: 0 + -25 = -25 -1x = -25 Divide each side by '-1'. x = 25 Simplifying x = 25

Subproblem 2

Set the factor '(16 + x)' equal to zero and attempt to solve: Simplifying 16 + x = 0 Solving 16 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = 0 + -16 Combine like terms: 16 + -16 = 0 0 + x = 0 + -16 x = 0 + -16 Combine like terms: 0 + -16 = -16 x = -16 Simplifying x = -16

Solution

x = {25, -16}

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