20n^2-64=64n

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Solution for 20n^2-64=64n equation:


Simplifying
20n2 + -64 = 64n

Reorder the terms:
-64 + 20n2 = 64n

Solving
-64 + 20n2 = 64n

Solving for variable 'n'.

Reorder the terms:
-64 + -64n + 20n2 = 64n + -64n

Combine like terms: 64n + -64n = 0
-64 + -64n + 20n2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-16 + -16n + 5n2) = 0

Factor a trinomial.
4((-4 + -5n)(4 + -1n)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-4 + -5n)' equal to zero and attempt to solve: Simplifying -4 + -5n = 0 Solving -4 + -5n = 0 Move all terms containing n to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5n = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5n = 0 + 4 -5n = 0 + 4 Combine like terms: 0 + 4 = 4 -5n = 4 Divide each side by '-5'. n = -0.8 Simplifying n = -0.8

Subproblem 2

Set the factor '(4 + -1n)' equal to zero and attempt to solve: Simplifying 4 + -1n = 0 Solving 4 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1n = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1n = 0 + -4 -1n = 0 + -4 Combine like terms: 0 + -4 = -4 -1n = -4 Divide each side by '-1'. n = 4 Simplifying n = 4

Solution

n = {-0.8, 4}

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