0=-10a^2+475a-2400

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Solution for 0=-10a^2+475a-2400 equation:


Simplifying
0 = -10a2 + 475a + -2400

Reorder the terms:
0 = -2400 + 475a + -10a2

Solving
0 = -2400 + 475a + -10a2

Solving for variable 'a'.

Combine like terms: 0 + 2400 = 2400
2400 + -475a + 10a2 = -2400 + 475a + -10a2 + 2400 + -475a + 10a2

Reorder the terms:
2400 + -475a + 10a2 = -2400 + 2400 + 475a + -475a + -10a2 + 10a2

Combine like terms: -2400 + 2400 = 0
2400 + -475a + 10a2 = 0 + 475a + -475a + -10a2 + 10a2
2400 + -475a + 10a2 = 475a + -475a + -10a2 + 10a2

Combine like terms: 475a + -475a = 0
2400 + -475a + 10a2 = 0 + -10a2 + 10a2
2400 + -475a + 10a2 = -10a2 + 10a2

Combine like terms: -10a2 + 10a2 = 0
2400 + -475a + 10a2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(480 + -95a + 2a2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(480 + -95a + 2a2)' equal to zero and attempt to solve: Simplifying 480 + -95a + 2a2 = 0 Solving 480 + -95a + 2a2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 240 + -47.5a + a2 = 0 Move the constant term to the right: Add '-240' to each side of the equation. 240 + -47.5a + -240 + a2 = 0 + -240 Reorder the terms: 240 + -240 + -47.5a + a2 = 0 + -240 Combine like terms: 240 + -240 = 0 0 + -47.5a + a2 = 0 + -240 -47.5a + a2 = 0 + -240 Combine like terms: 0 + -240 = -240 -47.5a + a2 = -240 The a term is -47.5a. Take half its coefficient (-23.75). Square it (564.0625) and add it to both sides. Add '564.0625' to each side of the equation. -47.5a + 564.0625 + a2 = -240 + 564.0625 Reorder the terms: 564.0625 + -47.5a + a2 = -240 + 564.0625 Combine like terms: -240 + 564.0625 = 324.0625 564.0625 + -47.5a + a2 = 324.0625 Factor a perfect square on the left side: (a + -23.75)(a + -23.75) = 324.0625 Calculate the square root of the right side: 18.001736027 Break this problem into two subproblems by setting (a + -23.75) equal to 18.001736027 and -18.001736027.

Subproblem 1

a + -23.75 = 18.001736027 Simplifying a + -23.75 = 18.001736027 Reorder the terms: -23.75 + a = 18.001736027 Solving -23.75 + a = 18.001736027 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '23.75' to each side of the equation. -23.75 + 23.75 + a = 18.001736027 + 23.75 Combine like terms: -23.75 + 23.75 = 0.00 0.00 + a = 18.001736027 + 23.75 a = 18.001736027 + 23.75 Combine like terms: 18.001736027 + 23.75 = 41.751736027 a = 41.751736027 Simplifying a = 41.751736027

Subproblem 2

a + -23.75 = -18.001736027 Simplifying a + -23.75 = -18.001736027 Reorder the terms: -23.75 + a = -18.001736027 Solving -23.75 + a = -18.001736027 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '23.75' to each side of the equation. -23.75 + 23.75 + a = -18.001736027 + 23.75 Combine like terms: -23.75 + 23.75 = 0.00 0.00 + a = -18.001736027 + 23.75 a = -18.001736027 + 23.75 Combine like terms: -18.001736027 + 23.75 = 5.748263973 a = 5.748263973 Simplifying a = 5.748263973

Solution

The solution to the problem is based on the solutions from the subproblems. a = {41.751736027, 5.748263973}

Solution

a = {41.751736027, 5.748263973}

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