10x^2+25x=15

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Solution for 10x^2+25x=15 equation:


Simplifying
10x2 + 25x = 15

Reorder the terms:
25x + 10x2 = 15

Solving
25x + 10x2 = 15

Solving for variable 'x'.

Reorder the terms:
-15 + 25x + 10x2 = 15 + -15

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

Factor out the Greatest Common Factor (GCF), '5'.
5(-3 + 5x + 2x2) = 0

Factor a trinomial.
5((-3 + -1x)(1 + -2x)) = 0

Ignore the factor 5.

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 '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-3, 0.5}

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