-2y^2-48y=70

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Solution for -2y^2-48y=70 equation:


Simplifying
-2y2 + -48y = 70

Reorder the terms:
-48y + -2y2 = 70

Solving
-48y + -2y2 = 70

Solving for variable 'y'.

Reorder the terms:
-70 + -48y + -2y2 = 70 + -70

Combine like terms: 70 + -70 = 0
-70 + -48y + -2y2 = 0

Factor out the Greatest Common Factor (GCF), '-2'.
-2(35 + 24y + y2) = 0

Ignore the factor -2.

Subproblem 1

Set the factor '(35 + 24y + y2)' equal to zero and attempt to solve: Simplifying 35 + 24y + y2 = 0 Solving 35 + 24y + y2 = 0 Begin completing the square. Move the constant term to the right: Add '-35' to each side of the equation. 35 + 24y + -35 + y2 = 0 + -35 Reorder the terms: 35 + -35 + 24y + y2 = 0 + -35 Combine like terms: 35 + -35 = 0 0 + 24y + y2 = 0 + -35 24y + y2 = 0 + -35 Combine like terms: 0 + -35 = -35 24y + y2 = -35 The y term is 24y. Take half its coefficient (12). Square it (144) and add it to both sides. Add '144' to each side of the equation. 24y + 144 + y2 = -35 + 144 Reorder the terms: 144 + 24y + y2 = -35 + 144 Combine like terms: -35 + 144 = 109 144 + 24y + y2 = 109 Factor a perfect square on the left side: (y + 12)(y + 12) = 109 Calculate the square root of the right side: 10.440306509 Break this problem into two subproblems by setting (y + 12) equal to 10.440306509 and -10.440306509.

Subproblem 1

y + 12 = 10.440306509 Simplifying y + 12 = 10.440306509 Reorder the terms: 12 + y = 10.440306509 Solving 12 + y = 10.440306509 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + y = 10.440306509 + -12 Combine like terms: 12 + -12 = 0 0 + y = 10.440306509 + -12 y = 10.440306509 + -12 Combine like terms: 10.440306509 + -12 = -1.559693491 y = -1.559693491 Simplifying y = -1.559693491

Subproblem 2

y + 12 = -10.440306509 Simplifying y + 12 = -10.440306509 Reorder the terms: 12 + y = -10.440306509 Solving 12 + y = -10.440306509 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + y = -10.440306509 + -12 Combine like terms: 12 + -12 = 0 0 + y = -10.440306509 + -12 y = -10.440306509 + -12 Combine like terms: -10.440306509 + -12 = -22.440306509 y = -22.440306509 Simplifying y = -22.440306509

Solution

The solution to the problem is based on the solutions from the subproblems. y = {-1.559693491, -22.440306509}

Solution

y = {-1.559693491, -22.440306509}

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