3n^2-7n=-2

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Solution for 3n^2-7n=-2 equation:


Simplifying
3n2 + -7n = -2

Reorder the terms:
-7n + 3n2 = -2

Solving
-7n + 3n2 = -2

Solving for variable 'n'.

Reorder the terms:
2 + -7n + 3n2 = -2 + 2

Combine like terms: -2 + 2 = 0
2 + -7n + 3n2 = 0

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

Subproblem 1

Set the factor '(1 + -3n)' equal to zero and attempt to solve: Simplifying 1 + -3n = 0 Solving 1 + -3n = 0 Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -3n = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3n = 0 + -1 -3n = 0 + -1 Combine like terms: 0 + -1 = -1 -3n = -1 Divide each side by '-3'. n = 0.3333333333 Simplifying n = 0.3333333333

Subproblem 2

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

Solution

n = {0.3333333333, 2}

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