8y^2-20y-24=0

Simple and best practice solution for 8y^2-20y-24=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 8y^2-20y-24=0 equation:


Simplifying
8y2 + -20y + -24 = 0

Reorder the terms:
-24 + -20y + 8y2 = 0

Solving
-24 + -20y + 8y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-6 + -5y + 2y2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-6 + -5y + 2y2)' equal to zero and attempt to solve: Simplifying -6 + -5y + 2y2 = 0 Solving -6 + -5y + 2y2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -3 + -2.5y + y2 = 0 Move the constant term to the right: Add '3' to each side of the equation. -3 + -2.5y + 3 + y2 = 0 + 3 Reorder the terms: -3 + 3 + -2.5y + y2 = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -2.5y + y2 = 0 + 3 -2.5y + y2 = 0 + 3 Combine like terms: 0 + 3 = 3 -2.5y + y2 = 3 The y term is -2.5y. Take half its coefficient (-1.25). Square it (1.5625) and add it to both sides. Add '1.5625' to each side of the equation. -2.5y + 1.5625 + y2 = 3 + 1.5625 Reorder the terms: 1.5625 + -2.5y + y2 = 3 + 1.5625 Combine like terms: 3 + 1.5625 = 4.5625 1.5625 + -2.5y + y2 = 4.5625 Factor a perfect square on the left side: (y + -1.25)(y + -1.25) = 4.5625 Calculate the square root of the right side: 2.136000936 Break this problem into two subproblems by setting (y + -1.25) equal to 2.136000936 and -2.136000936.

Subproblem 1

y + -1.25 = 2.136000936 Simplifying y + -1.25 = 2.136000936 Reorder the terms: -1.25 + y = 2.136000936 Solving -1.25 + y = 2.136000936 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + y = 2.136000936 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + y = 2.136000936 + 1.25 y = 2.136000936 + 1.25 Combine like terms: 2.136000936 + 1.25 = 3.386000936 y = 3.386000936 Simplifying y = 3.386000936

Subproblem 2

y + -1.25 = -2.136000936 Simplifying y + -1.25 = -2.136000936 Reorder the terms: -1.25 + y = -2.136000936 Solving -1.25 + y = -2.136000936 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + y = -2.136000936 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + y = -2.136000936 + 1.25 y = -2.136000936 + 1.25 Combine like terms: -2.136000936 + 1.25 = -0.886000936 y = -0.886000936 Simplifying y = -0.886000936

Solution

The solution to the problem is based on the solutions from the subproblems. y = {3.386000936, -0.886000936}

Solution

y = {3.386000936, -0.886000936}

See similar equations:

| 1/x=0.20 | | 1/x=32 | | 1/x=0.618871 | | (6z-30)/(8z-40) | | (4b-5)/4 | | 1/x=0.61 | | (3/2)/(21/4) | | y=mx-8 | | 66/143=q/11 | | 0=x^2-14x+25 | | 6/13=q/11 | | vx-w=6whatisx | | x(3x+5)(2x-3)=0 | | x-0.03x=20000 | | x-0.3x=20000 | | sin4x/cos6x=1 | | sin4x/cos6x | | a+2b=12forb | | f(x)=xln(x)+x | | x^2-2y^2-6x-6y=0 | | 2+3(x-5)=x+11+2x | | -3x-15=-3(x+6) | | (5n+6)*(2n+5)= | | 5/4(2a-10)=-3/2a | | M-4/5=n | | 3.0+6.0+2(x-3.0)=3.0x-67.0+6.0x | | 18x-9y=27 | | 3x+7x-4x-5=31 | | -9x+4x=-15x | | X+y=2352 | | 4x^2-5x=x^2-2x | | 11/4x=2/5x |

Equations solver categories