31y+7y^2=20

Simple and best practice solution for 31y+7y^2=20 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 31y+7y^2=20 equation:


Simplifying
31y + 7y2 = 20

Solving
31y + 7y2 = 20

Solving for variable 'y'.

Reorder the terms:
-20 + 31y + 7y2 = 20 + -20

Combine like terms: 20 + -20 = 0
-20 + 31y + 7y2 = 0

Factor a trinomial.
(-5 + -1y)(4 + -7y) = 0

Subproblem 1

Set the factor '(-5 + -1y)' equal to zero and attempt to solve: Simplifying -5 + -1y = 0 Solving -5 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1y = 0 + 5 -1y = 0 + 5 Combine like terms: 0 + 5 = 5 -1y = 5 Divide each side by '-1'. y = -5 Simplifying y = -5

Subproblem 2

Set the factor '(4 + -7y)' equal to zero and attempt to solve: Simplifying 4 + -7y = 0 Solving 4 + -7y = 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 + -7y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7y = 0 + -4 -7y = 0 + -4 Combine like terms: 0 + -4 = -4 -7y = -4 Divide each side by '-7'. y = 0.5714285714 Simplifying y = 0.5714285714

Solution

y = {-5, 0.5714285714}

See similar equations:

| 2x-8=2/3 | | 1/4*4x | | 2x^2-51x+6=0 | | -6x-8=50 | | 7-n=-8+14 | | (5x^2+8x+9)-(-9x^2-3x-4)= | | 5x(7a+b)-2y(7a+b)=0 | | 15+15x=0 | | 1/4(4x-1) | | 4x^2+4x+1=-36 | | -6k=ln(1-4k) | | 3(2x+1)=3x+9 | | 6/(9-8i) | | 1/4(4x-1)=-1/5-1/3 | | 16-3x-4x^2=0 | | 2+3+5=(3-1)x | | 9.5x+10y=4607.5 | | 6*16-90*2-10=x | | 0.71-.22=1.03-.62 | | 9x^2-17x^6+27x^7=0 | | 6*16-90*2-10= | | 7y=3-10x | | (-6x+2)(9x+3)= | | 5p+5s=tp-5 | | -y=-x+5 | | b/11-7b/11=12/11 | | 6-x/2=3 | | 3m+3-6m=-3(m-1) | | -10(7X-17)=7X+38 | | 5a+5p=tp-5 | | 4[5x+7+8x]+2=-18 | | 24x^3y^4-52x^4y^3=0 |

Equations solver categories