0=42n^2+192n-360

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Solution for 0=42n^2+192n-360 equation:


Simplifying
0 = 42n2 + 192n + -360

Reorder the terms:
0 = -360 + 192n + 42n2

Solving
0 = -360 + 192n + 42n2

Solving for variable 'n'.

Combine like terms: 0 + 360 = 360
360 + -192n + -42n2 = -360 + 192n + 42n2 + 360 + -192n + -42n2

Reorder the terms:
360 + -192n + -42n2 = -360 + 360 + 192n + -192n + 42n2 + -42n2

Combine like terms: -360 + 360 = 0
360 + -192n + -42n2 = 0 + 192n + -192n + 42n2 + -42n2
360 + -192n + -42n2 = 192n + -192n + 42n2 + -42n2

Combine like terms: 192n + -192n = 0
360 + -192n + -42n2 = 0 + 42n2 + -42n2
360 + -192n + -42n2 = 42n2 + -42n2

Combine like terms: 42n2 + -42n2 = 0
360 + -192n + -42n2 = 0

Factor out the Greatest Common Factor (GCF), '6'.
6(60 + -32n + -7n2) = 0

Factor a trinomial.
6((10 + -7n)(6 + n)) = 0

Ignore the factor 6.

Subproblem 1

Set the factor '(10 + -7n)' equal to zero and attempt to solve: Simplifying 10 + -7n = 0 Solving 10 + -7n = 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 + -7n = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -7n = 0 + -10 -7n = 0 + -10 Combine like terms: 0 + -10 = -10 -7n = -10 Divide each side by '-7'. n = 1.428571429 Simplifying n = 1.428571429

Subproblem 2

Set the factor '(6 + n)' equal to zero and attempt to solve: Simplifying 6 + n = 0 Solving 6 + n = 0 Move all terms containing n to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + n = 0 + -6 Combine like terms: 6 + -6 = 0 0 + n = 0 + -6 n = 0 + -6 Combine like terms: 0 + -6 = -6 n = -6 Simplifying n = -6

Solution

n = {1.428571429, -6}

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