2x^2-3x+10=15

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Solution for 2x^2-3x+10=15 equation:


Simplifying
2x2 + -3x + 10 = 15

Reorder the terms:
10 + -3x + 2x2 = 15

Solving
10 + -3x + 2x2 = 15

Solving for variable 'x'.

Reorder the terms:
10 + -15 + -3x + 2x2 = 15 + -15

Combine like terms: 10 + -15 = -5
-5 + -3x + 2x2 = 15 + -15

Combine like terms: 15 + -15 = 0
-5 + -3x + 2x2 = 0

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

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -2x)' equal to zero and attempt to solve: Simplifying 5 + -2x = 0 Solving 5 + -2x = 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 + -2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2x = 0 + -5 -2x = 0 + -5 Combine like terms: 0 + -5 = -5 -2x = -5 Divide each side by '-2'. x = 2.5 Simplifying x = 2.5

Solution

x = {-1, 2.5}

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