2n^2=3n+5

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Solution for 2n^2=3n+5 equation:


Simplifying
2n2 = 3n + 5

Reorder the terms:
2n2 = 5 + 3n

Solving
2n2 = 5 + 3n

Solving for variable 'n'.

Reorder the terms:
-5 + -3n + 2n2 = 5 + 3n + -5 + -3n

Reorder the terms:
-5 + -3n + 2n2 = 5 + -5 + 3n + -3n

Combine like terms: 5 + -5 = 0
-5 + -3n + 2n2 = 0 + 3n + -3n
-5 + -3n + 2n2 = 3n + -3n

Combine like terms: 3n + -3n = 0
-5 + -3n + 2n2 = 0

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

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -2n)' equal to zero and attempt to solve: Simplifying 5 + -2n = 0 Solving 5 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -2n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -2n = 0 + -5 -2n = 0 + -5 Combine like terms: 0 + -5 = -5 -2n = -5 Divide each side by '-2'. n = 2.5 Simplifying n = 2.5

Solution

n = {-1, 2.5}

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