y^2-6y-91=0

Simple and best practice solution for y^2-6y-91=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 y^2-6y-91=0 equation: 


Simplifying
y2 + -6y + -91 = 0

Reorder the terms:
-91 + -6y + y2 = 0

Solving
-91 + -6y + y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(-7 + -1y)(13 + -1y) = 0


Subproblem 1
Set the factor '(-7 + -1y)' equal to zero and attempt to solve:

Simplifying
-7 + -1y = 0

Solving
-7 + -1y = 0

Move all terms containing y to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + -1y = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1y = 0 + 7
-1y = 0 + 7

Combine like terms: 0 + 7 = 7
-1y = 7

Divide each side by '-1'.
y = -7

Simplifying
y = -7

Subproblem 2
Set the factor '(13 + -1y)' equal to zero and attempt to solve:

Simplifying
13 + -1y = 0

Solving
13 + -1y = 0

Move all terms containing y to the left, all other terms to the right.

Add '-13' to each side of the equation.
13 + -13 + -1y = 0 + -13

Combine like terms: 13 + -13 = 0
0 + -1y = 0 + -13
-1y = 0 + -13

Combine like terms: 0 + -13 = -13
-1y = -13

Divide each side by '-1'.
y = 13

Simplifying
y = 13
Solution
y = {-7, 13}

See similar equations:

| xy+2y=3 | | 9(-8.5)+3y=6 | | 4x^5-3125=0 | | 9+3(9/2x+9/2)=6 | | 2y=4x+22 | | -6x-6y=1 | | 3*-7=10 | | x^-2/3=1 | | .5x+.5x=4 | | 5x=10-4x | | 2/70 | | 11gh/h | | (3x-2y)(3x-2y)= | | 3i-15=0 | | 2r^2-7r-15=0 | | 18w^2+33w-105= | | (.30)*(.70)/150= | | 1/5*4/5*1/10= | | 40(y+1000)+60y=200 | | (.30)(.70)/150= | | 40(y+1000)+60=200 | | 2p-14=2(p-70) | | -3=c/-1.5 | | -4=c/-3.5 | | 25(600)+10x=15(600+x) | | 30,126/15 | | 31=11+11+c | | 100=(-4s) | | z+6=38.16 | | 4(3x+2)=10x-10 | | 150(n-4)=450 | | 3/2b-1=1/8(12b-8) |

Equations solver categories