2y^3-90y^2-392y=0

Simple and best practice solution for 2y^3-90y^2-392y=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 2y^3-90y^2-392y=0 equation:


Simplifying
2y3 + -90y2 + -392y = 0

Reorder the terms:
-392y + -90y2 + 2y3 = 0

Solving
-392y + -90y2 + 2y3 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '2y'.
2y(-196 + -45y + y2) = 0

Factor a trinomial.
2y((-4 + -1y)(49 + -1y)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0

Subproblem 2

Set the factor '(-4 + -1y)' equal to zero and attempt to solve: Simplifying -4 + -1y = 0 Solving -4 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1y = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1y = 0 + 4 -1y = 0 + 4 Combine like terms: 0 + 4 = 4 -1y = 4 Divide each side by '-1'. y = -4 Simplifying y = -4

Subproblem 3

Set the factor '(49 + -1y)' equal to zero and attempt to solve: Simplifying 49 + -1y = 0 Solving 49 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-49' to each side of the equation. 49 + -49 + -1y = 0 + -49 Combine like terms: 49 + -49 = 0 0 + -1y = 0 + -49 -1y = 0 + -49 Combine like terms: 0 + -49 = -49 -1y = -49 Divide each side by '-1'. y = 49 Simplifying y = 49

Solution

y = {0, -4, 49}

See similar equations:

| (x-1)(2x+4)=7 | | 16-13=x/5 | | -x+2/9y=1 | | -7(x+2)-16=15+4 | | 20r^2+13r-15=0 | | 9y=8(y+4) | | x^3-12x-32=0 | | y+9=x^2-4x+4 | | T^2-2t-63=0 | | -0.450=0.003x+0.15 | | 6x+7(x+1)=108.5 | | 6x+(7x+1)=108.5 | | 2x^4-9x^3+9x^2+x-3=0 | | 19x-x+2x+4=20x+4 | | 6y=15-9x | | y=-14x-6 | | 3y-6x+9=0 | | 9b^2-12b=-4 | | 3-4n=9 | | Y=8x^2-8x-160 | | 6+(-6x)+x^2=0 | | 6z+4=4z+6 | | x/2-2=4 | | 1/3*22/7*5*5*7 | | 9x^3-42x^2+49x=0 | | f(t)=64t^2-80t+2 | | f(x)=5x^4-9x^3-7x^2-31x-6 | | g(x)=x^3-3x-2 | | h(x)=x^3-36x^2+18x-27 | | 27*-2x=-8(4x-5) | | 3(3z+3)-8=48 | | 3x+2+7=-24 |

Equations solver categories