25n^2-75n-75n+225=10

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Solution for 25n^2-75n-75n+225=10 equation:


Simplifying
25n2 + -75n + -75n + 225 = 10

Reorder the terms:
225 + -75n + -75n + 25n2 = 10

Combine like terms: -75n + -75n = -150n
225 + -150n + 25n2 = 10

Solving
225 + -150n + 25n2 = 10

Solving for variable 'n'.

Reorder the terms:
225 + -10 + -150n + 25n2 = 10 + -10

Combine like terms: 225 + -10 = 215
215 + -150n + 25n2 = 10 + -10

Combine like terms: 10 + -10 = 0
215 + -150n + 25n2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(43 + -30n + 5n2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(43 + -30n + 5n2)' equal to zero and attempt to solve: Simplifying 43 + -30n + 5n2 = 0 Solving 43 + -30n + 5n2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 8.6 + -6n + n2 = 0 Move the constant term to the right: Add '-8.6' to each side of the equation. 8.6 + -6n + -8.6 + n2 = 0 + -8.6 Reorder the terms: 8.6 + -8.6 + -6n + n2 = 0 + -8.6 Combine like terms: 8.6 + -8.6 = 0.0 0.0 + -6n + n2 = 0 + -8.6 -6n + n2 = 0 + -8.6 Combine like terms: 0 + -8.6 = -8.6 -6n + n2 = -8.6 The n term is -6n. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6n + 9 + n2 = -8.6 + 9 Reorder the terms: 9 + -6n + n2 = -8.6 + 9 Combine like terms: -8.6 + 9 = 0.4 9 + -6n + n2 = 0.4 Factor a perfect square on the left side: (n + -3)(n + -3) = 0.4 Calculate the square root of the right side: 0.632455532 Break this problem into two subproblems by setting (n + -3) equal to 0.632455532 and -0.632455532.

Subproblem 1

n + -3 = 0.632455532 Simplifying n + -3 = 0.632455532 Reorder the terms: -3 + n = 0.632455532 Solving -3 + n = 0.632455532 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + n = 0.632455532 + 3 Combine like terms: -3 + 3 = 0 0 + n = 0.632455532 + 3 n = 0.632455532 + 3 Combine like terms: 0.632455532 + 3 = 3.632455532 n = 3.632455532 Simplifying n = 3.632455532

Subproblem 2

n + -3 = -0.632455532 Simplifying n + -3 = -0.632455532 Reorder the terms: -3 + n = -0.632455532 Solving -3 + n = -0.632455532 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + n = -0.632455532 + 3 Combine like terms: -3 + 3 = 0 0 + n = -0.632455532 + 3 n = -0.632455532 + 3 Combine like terms: -0.632455532 + 3 = 2.367544468 n = 2.367544468 Simplifying n = 2.367544468

Solution

The solution to the problem is based on the solutions from the subproblems. n = {3.632455532, 2.367544468}

Solution

n = {3.632455532, 2.367544468}

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