x^2-25-3(x-5)=0

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Solution for x^2-25-3(x-5)=0 equation:


Simplifying
x2 + -25 + -3(x + -5) = 0

Reorder the terms:
x2 + -25 + -3(-5 + x) = 0
x2 + -25 + (-5 * -3 + x * -3) = 0
x2 + -25 + (15 + -3x) = 0

Reorder the terms:
-25 + 15 + -3x + x2 = 0

Combine like terms: -25 + 15 = -10
-10 + -3x + x2 = 0

Solving
-10 + -3x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-2 + -1x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-2, 5}

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