15n^2-49n+40=0

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Solution for 15n^2-49n+40=0 equation:


Simplifying
15n2 + -49n + 40 = 0

Reorder the terms:
40 + -49n + 15n2 = 0

Solving
40 + -49n + 15n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(8 + -5n)(5 + -3n) = 0

Subproblem 1

Set the factor '(8 + -5n)' equal to zero and attempt to solve: Simplifying 8 + -5n = 0 Solving 8 + -5n = 0 Move all terms containing n to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -5n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -5n = 0 + -8 -5n = 0 + -8 Combine like terms: 0 + -8 = -8 -5n = -8 Divide each side by '-5'. n = 1.6 Simplifying n = 1.6

Subproblem 2

Set the factor '(5 + -3n)' equal to zero and attempt to solve: Simplifying 5 + -3n = 0 Solving 5 + -3n = 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 + -3n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3n = 0 + -5 -3n = 0 + -5 Combine like terms: 0 + -5 = -5 -3n = -5 Divide each side by '-3'. n = 1.666666667 Simplifying n = 1.666666667

Solution

n = {1.6, 1.666666667}

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