56n^2+403n-282=-2-8n^2-5n

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Solution for 56n^2+403n-282=-2-8n^2-5n equation:


Simplifying
56n2 + 403n + -282 = -2 + -8n2 + -5n

Reorder the terms:
-282 + 403n + 56n2 = -2 + -8n2 + -5n

Reorder the terms:
-282 + 403n + 56n2 = -2 + -5n + -8n2

Solving
-282 + 403n + 56n2 = -2 + -5n + -8n2

Solving for variable 'n'.

Reorder the terms:
-282 + 2 + 403n + 5n + 56n2 + 8n2 = -2 + -5n + -8n2 + 2 + 5n + 8n2

Combine like terms: -282 + 2 = -280
-280 + 403n + 5n + 56n2 + 8n2 = -2 + -5n + -8n2 + 2 + 5n + 8n2

Combine like terms: 403n + 5n = 408n
-280 + 408n + 56n2 + 8n2 = -2 + -5n + -8n2 + 2 + 5n + 8n2

Combine like terms: 56n2 + 8n2 = 64n2
-280 + 408n + 64n2 = -2 + -5n + -8n2 + 2 + 5n + 8n2

Reorder the terms:
-280 + 408n + 64n2 = -2 + 2 + -5n + 5n + -8n2 + 8n2

Combine like terms: -2 + 2 = 0
-280 + 408n + 64n2 = 0 + -5n + 5n + -8n2 + 8n2
-280 + 408n + 64n2 = -5n + 5n + -8n2 + 8n2

Combine like terms: -5n + 5n = 0
-280 + 408n + 64n2 = 0 + -8n2 + 8n2
-280 + 408n + 64n2 = -8n2 + 8n2

Combine like terms: -8n2 + 8n2 = 0
-280 + 408n + 64n2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(-35 + 51n + 8n2) = 0

Factor a trinomial.
8((-7 + -1n)(5 + -8n)) = 0

Ignore the factor 8.

Subproblem 1

Set the factor '(-7 + -1n)' equal to zero and attempt to solve: Simplifying -7 + -1n = 0 Solving -7 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1n = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1n = 0 + 7 -1n = 0 + 7 Combine like terms: 0 + 7 = 7 -1n = 7 Divide each side by '-1'. n = -7 Simplifying n = -7

Subproblem 2

Set the factor '(5 + -8n)' equal to zero and attempt to solve: Simplifying 5 + -8n = 0 Solving 5 + -8n = 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 + -8n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -8n = 0 + -5 -8n = 0 + -5 Combine like terms: 0 + -5 = -5 -8n = -5 Divide each side by '-8'. n = 0.625 Simplifying n = 0.625

Solution

n = {-7, 0.625}

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