2x^2+x=300

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Solution for 2x^2+x=300 equation:


Simplifying
2x2 + x = 300

Reorder the terms:
x + 2x2 = 300

Solving
x + 2x2 = 300

Solving for variable 'x'.

Reorder the terms:
-300 + x + 2x2 = 300 + -300

Combine like terms: 300 + -300 = 0
-300 + x + 2x2 = 0

Factor a trinomial.
(-25 + -2x)(12 + -1x) = 0

Subproblem 1

Set the factor '(-25 + -2x)' equal to zero and attempt to solve: Simplifying -25 + -2x = 0 Solving -25 + -2x = 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 + -2x = 0 + 25 Combine like terms: -25 + 25 = 0 0 + -2x = 0 + 25 -2x = 0 + 25 Combine like terms: 0 + 25 = 25 -2x = 25 Divide each side by '-2'. x = -12.5 Simplifying x = -12.5

Subproblem 2

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {-12.5, 12}

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