25n^2-32=20n

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Solution for 25n^2-32=20n equation:


Simplifying
25n2 + -32 = 20n

Reorder the terms:
-32 + 25n2 = 20n

Solving
-32 + 25n2 = 20n

Solving for variable 'n'.

Reorder the terms:
-32 + -20n + 25n2 = 20n + -20n

Combine like terms: 20n + -20n = 0
-32 + -20n + 25n2 = 0

Factor a trinomial.
(-4 + -5n)(8 + -5n) = 0

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 '(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

Solution

n = {-0.8, 1.6}

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