4y-3y(y-5)+2=5

Simple and best practice solution for 4y-3y(y-5)+2=5 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 4y-3y(y-5)+2=5 equation:


Simplifying
4y + -3y(y + -5) + 2 = 5

Reorder the terms:
4y + -3y(-5 + y) + 2 = 5
4y + (-5 * -3y + y * -3y) + 2 = 5
4y + (15y + -3y2) + 2 = 5

Reorder the terms:
2 + 4y + 15y + -3y2 = 5

Combine like terms: 4y + 15y = 19y
2 + 19y + -3y2 = 5

Solving
2 + 19y + -3y2 = 5

Solving for variable 'y'.

Reorder the terms:
2 + -5 + 19y + -3y2 = 5 + -5

Combine like terms: 2 + -5 = -3
-3 + 19y + -3y2 = 5 + -5

Combine like terms: 5 + -5 = 0
-3 + 19y + -3y2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
1 + -6.333333333y + y2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -6.333333333y + -1 + y2 = 0 + -1

Reorder the terms:
1 + -1 + -6.333333333y + y2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -6.333333333y + y2 = 0 + -1
-6.333333333y + y2 = 0 + -1

Combine like terms: 0 + -1 = -1
-6.333333333y + y2 = -1

The y term is -6.333333333y.  Take half its coefficient (-3.166666667).
Square it (10.02777778) and add it to both sides.

Add '10.02777778' to each side of the equation.
-6.333333333y + 10.02777778 + y2 = -1 + 10.02777778

Reorder the terms:
10.02777778 + -6.333333333y + y2 = -1 + 10.02777778

Combine like terms: -1 + 10.02777778 = 9.02777778
10.02777778 + -6.333333333y + y2 = 9.02777778

Factor a perfect square on the left side:
(y + -3.166666667)(y + -3.166666667) = 9.02777778

Calculate the square root of the right side: 3.004626063

Break this problem into two subproblems by setting 
(y + -3.166666667) equal to 3.004626063 and -3.004626063.

Subproblem 1

y + -3.166666667 = 3.004626063 Simplifying y + -3.166666667 = 3.004626063 Reorder the terms: -3.166666667 + y = 3.004626063 Solving -3.166666667 + y = 3.004626063 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '3.166666667' to each side of the equation. -3.166666667 + 3.166666667 + y = 3.004626063 + 3.166666667 Combine like terms: -3.166666667 + 3.166666667 = 0.000000000 0.000000000 + y = 3.004626063 + 3.166666667 y = 3.004626063 + 3.166666667 Combine like terms: 3.004626063 + 3.166666667 = 6.17129273 y = 6.17129273 Simplifying y = 6.17129273

Subproblem 2

y + -3.166666667 = -3.004626063 Simplifying y + -3.166666667 = -3.004626063 Reorder the terms: -3.166666667 + y = -3.004626063 Solving -3.166666667 + y = -3.004626063 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '3.166666667' to each side of the equation. -3.166666667 + 3.166666667 + y = -3.004626063 + 3.166666667 Combine like terms: -3.166666667 + 3.166666667 = 0.000000000 0.000000000 + y = -3.004626063 + 3.166666667 y = -3.004626063 + 3.166666667 Combine like terms: -3.004626063 + 3.166666667 = 0.162040604 y = 0.162040604 Simplifying y = 0.162040604

Solution

The solution to the problem is based on the solutions from the subproblems. y = {6.17129273, 0.162040604}

See similar equations:

| 6+16n-5=6n+85-4n | | 5t^2=3t+28 | | 5x+9=x-1 | | 4p^2-p-3=0 | | 4p^2-p-3=0 | | 13x-4=5x-20 | | 4p^2-19p-30=0 | | m-4=3+m+4-11 | | 4p^2-19p-30=0 | | 4p^2-19p-30=0 | | 4.7=23.8 | | 12000(t+7)=408000 | | 6-3b=6b+6 | | 12000(t+7)=144000 | | 9m-18=57 | | 7.6(x-2)=0.4x+48.8 | | 2n-1=-13+4n | | -34-7v=2(-6v-7) | | -3m-5+2-7=m+2 | | 3500(t+20)=217000 | | -4n-5=5-6n | | -4n-5=5-6n | | 3(-2x-2-3)-(-x+2)=2(x+1) | | 4x+2(4x-6)= | | 1-2x=5-4x+x | | 1-2x=5-4x+x | | v+20=6v | | 12-4w=2w | | -1+k=k-1 | | -3x=12y | | 8y-2x-z=-9 | | 8y-2x-z=-9 |

Equations solver categories