2n^2-7n=130

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Solution for 2n^2-7n=130 equation:


Simplifying
2n2 + -7n = 130

Reorder the terms:
-7n + 2n2 = 130

Solving
-7n + 2n2 = 130

Solving for variable 'n'.

Reorder the terms:
-130 + -7n + 2n2 = 130 + -130

Combine like terms: 130 + -130 = 0
-130 + -7n + 2n2 = 0

Factor a trinomial.
(-13 + -2n)(10 + -1n) = 0

Subproblem 1

Set the factor '(-13 + -2n)' equal to zero and attempt to solve: Simplifying -13 + -2n = 0 Solving -13 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + -2n = 0 + 13 Combine like terms: -13 + 13 = 0 0 + -2n = 0 + 13 -2n = 0 + 13 Combine like terms: 0 + 13 = 13 -2n = 13 Divide each side by '-2'. n = -6.5 Simplifying n = -6.5

Subproblem 2

Set the factor '(10 + -1n)' equal to zero and attempt to solve: Simplifying 10 + -1n = 0 Solving 10 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1n = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1n = 0 + -10 -1n = 0 + -10 Combine like terms: 0 + -10 = -10 -1n = -10 Divide each side by '-1'. n = 10 Simplifying n = 10

Solution

n = {-6.5, 10}

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