-8y^2-5y-1=0

Simple and best practice solution for -8y^2-5y-1=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^2-5y-1=0 equation: 


Simplifying
-8y2 + -5y + -1 = 0

Reorder the terms:
-1 + -5y + -8y2 = 0

Solving
-1 + -5y + -8y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(1 + 5y + 8y2) = 0

Ignore the factor -1.

Subproblem 1
Set the factor '(1 + 5y + 8y2)' equal to zero and attempt to solve:

Simplifying
1 + 5y + 8y2 = 0

Solving
1 + 5y + 8y2 = 0

Begin completing the square.  Divide all terms by
8 the coefficient of the squared term: 

Divide each side by '8'.
0.125 + 0.625y + y2 = 0

Move the constant term to the right:

Add '-0.125' to each side of the equation.
0.125 + 0.625y + -0.125 + y2 = 0 + -0.125

Reorder the terms:
0.125 + -0.125 + 0.625y + y2 = 0 + -0.125

Combine like terms: 0.125 + -0.125 = 0.000
0.000 + 0.625y + y2 = 0 + -0.125
0.625y + y2 = 0 + -0.125

Combine like terms: 0 + -0.125 = -0.125
0.625y + y2 = -0.125

The y term is 0.625y.  Take half its coefficient (0.3125).
Square it (0.09765625) and add it to both sides.

Add '0.09765625' to each side of the equation.
0.625y + 0.09765625 + y2 = -0.125 + 0.09765625

Reorder the terms:
0.09765625 + 0.625y + y2 = -0.125 + 0.09765625

Combine like terms: -0.125 + 0.09765625 = -0.02734375
0.09765625 + 0.625y + y2 = -0.02734375

Factor a perfect square on the left side:
(y + 0.3125)(y + 0.3125) = -0.02734375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

See similar equations:

| 6x+2y=48 | | 2(5a-3)-a=2(4a-3) | | x^2+y^2-12x+32=0 | | 278=3x+x | | -15+3x-7x=-44 | | 10/(5/6) | | 80-1/3(15^2) | | 5/6/10 | | (4/3)-(7/15)/(6/5) | | 9/2-17/5 | | (6+v)(4v+7)=0 | | X3/2=64 | | 3x+2=-(3x-8) | | 3x-3=-(3x-6) | | ln(x-1)-ln(6-x)=0 | | 4v^2-16/v^2-2 | | f(x)=0.0117x^4-0.3744x^2-5 | | 0.5x+2=x+2 | | 53+21=0 | | 6(4x-7)=174 | | 4x-7=-(-1-5x) | | 4p-2-2p+7= | | 10-4(y+7)=2(1-y) | | 4x-7=-1-5x | | 3(15w)= | | 4x-2=-(-5-4x) | | y^2-10y-22=0 | | 4x-2=-5-4x | | 7x^5-5x^4+3x^3-6=0 | | (-21+18)-(-27-(-3))= | | 2(4r+6)=.7(12r+18) | | (3x^2-4x+x)+(-x^2+x-9)= |

Equations solver categories