25x^2-525=100x

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Solution for 25x^2-525=100x equation:


Simplifying
25x2 + -525 = 100x

Reorder the terms:
-525 + 25x2 = 100x

Solving
-525 + 25x2 = 100x

Solving for variable 'x'.

Reorder the terms:
-525 + -100x + 25x2 = 100x + -100x

Combine like terms: 100x + -100x = 0
-525 + -100x + 25x2 = 0

Factor out the Greatest Common Factor (GCF), '25'.
25(-21 + -4x + x2) = 0

Factor a trinomial.
25((-3 + -1x)(7 + -1x)) = 0

Ignore the factor 25.

Subproblem 1

Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 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 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {-3, 7}

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