5x^2-445=-30x

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Solution for 5x^2-445=-30x equation:


Simplifying
5x2 + -445 = -30x

Reorder the terms:
-445 + 5x2 = -30x

Solving
-445 + 5x2 = -30x

Solving for variable 'x'.

Reorder the terms:
-445 + 30x + 5x2 = -30x + 30x

Combine like terms: -30x + 30x = 0
-445 + 30x + 5x2 = 0

Factor out the Greatest Common Factor (GCF), '5'.
5(-89 + 6x + x2) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-89 + 6x + x2)' equal to zero and attempt to solve: Simplifying -89 + 6x + x2 = 0 Solving -89 + 6x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '89' to each side of the equation. -89 + 6x + 89 + x2 = 0 + 89 Reorder the terms: -89 + 89 + 6x + x2 = 0 + 89 Combine like terms: -89 + 89 = 0 0 + 6x + x2 = 0 + 89 6x + x2 = 0 + 89 Combine like terms: 0 + 89 = 89 6x + x2 = 89 The x term is 6x. Take half its coefficient (3). Square it (9) and add it to both sides. Add '9' to each side of the equation. 6x + 9 + x2 = 89 + 9 Reorder the terms: 9 + 6x + x2 = 89 + 9 Combine like terms: 89 + 9 = 98 9 + 6x + x2 = 98 Factor a perfect square on the left side: (x + 3)(x + 3) = 98 Calculate the square root of the right side: 9.899494937 Break this problem into two subproblems by setting (x + 3) equal to 9.899494937 and -9.899494937.

Subproblem 1

x + 3 = 9.899494937 Simplifying x + 3 = 9.899494937 Reorder the terms: 3 + x = 9.899494937 Solving 3 + x = 9.899494937 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 9.899494937 + -3 Combine like terms: 3 + -3 = 0 0 + x = 9.899494937 + -3 x = 9.899494937 + -3 Combine like terms: 9.899494937 + -3 = 6.899494937 x = 6.899494937 Simplifying x = 6.899494937

Subproblem 2

x + 3 = -9.899494937 Simplifying x + 3 = -9.899494937 Reorder the terms: 3 + x = -9.899494937 Solving 3 + x = -9.899494937 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -9.899494937 + -3 Combine like terms: 3 + -3 = 0 0 + x = -9.899494937 + -3 x = -9.899494937 + -3 Combine like terms: -9.899494937 + -3 = -12.899494937 x = -12.899494937 Simplifying x = -12.899494937

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.899494937, -12.899494937}

Solution

x = {6.899494937, -12.899494937}

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