21n^2-50n-16=0

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Solution for 21n^2-50n-16=0 equation:


Simplifying
21n2 + -50n + -16 = 0

Reorder the terms:
-16 + -50n + 21n2 = 0

Solving
-16 + -50n + 21n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-2 + -7n)(8 + -3n) = 0

Subproblem 1

Set the factor '(-2 + -7n)' equal to zero and attempt to solve: Simplifying -2 + -7n = 0 Solving -2 + -7n = 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 + -7n = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -7n = 0 + 2 -7n = 0 + 2 Combine like terms: 0 + 2 = 2 -7n = 2 Divide each side by '-7'. n = -0.2857142857 Simplifying n = -0.2857142857

Subproblem 2

Set the factor '(8 + -3n)' equal to zero and attempt to solve: Simplifying 8 + -3n = 0 Solving 8 + -3n = 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 + -3n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3n = 0 + -8 -3n = 0 + -8 Combine like terms: 0 + -8 = -8 -3n = -8 Divide each side by '-3'. n = 2.666666667 Simplifying n = 2.666666667

Solution

n = {-0.2857142857, 2.666666667}

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