5y^2-40y-100=0

Simple and best practice solution for 5y^2-40y-100=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 5y^2-40y-100=0 equation:


Simplifying
5y2 + -40y + -100 = 0

Reorder the terms:
-100 + -40y + 5y2 = 0

Solving
-100 + -40y + 5y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-20 + -8y + y2) = 0

Factor a trinomial.
5((-2 + -1y)(10 + -1y)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor '(-2 + -1y)' equal to zero and attempt to solve: Simplifying -2 + -1y = 0 Solving -2 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1y = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1y = 0 + 2 -1y = 0 + 2 Combine like terms: 0 + 2 = 2 -1y = 2 Divide each side by '-1'. y = -2 Simplifying y = -2

Subproblem 2

Set the factor '(10 + -1y)' equal to zero and attempt to solve: Simplifying 10 + -1y = 0 Solving 10 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1y = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1y = 0 + -10 -1y = 0 + -10 Combine like terms: 0 + -10 = -10 -1y = -10 Divide each side by '-1'. y = 10 Simplifying y = 10

Solution

y = {-2, 10}

See similar equations:

| 7y-6=-3+8y | | 3x^2-x+3=0 | | 4ln(x-5)=8 | | (x+1)(x+1)=(x+5)(x+6) | | 3x-2=43 | | x^2-16k^2x=0 | | Y=3(-3)-6 | | -3x(x-8)=33 | | -4(x-2)x= | | 8a^3+14a^2+38= | | 3(x-1)x= | | x(4x-19)=30 | | 6-7x-3=-27+4x-14 | | 3x^2+21x=132 | | 8x+17=9x+13 | | -5x=6+3x | | 12a+8j-a= | | 25g-6g+3m= | | t=5g+5v | | 3x(x-10)=45 | | 2(x+4)-(2x+8)= | | x+3x-2=26 | | Y=-4-3 | | =4x^9+8x^8-12x^7+8x^6 | | Y=-16 | | x^2-5kx=0 | | 4=-x-3 | | x^2-5ky=0 | | 4x=-12x+3 | | 2x+11x+28= | | 2x+11+28= | | 5x+13=3+8x-8 |

Equations solver categories