4(y^2+4y+4)=125

Simple and best practice solution for 4(y^2+4y+4)=125 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 4(y^2+4y+4)=125 equation:


Simplifying
4(y2 + 4y + 4) = 125

Reorder the terms:
4(4 + 4y + y2) = 125
(4 * 4 + 4y * 4 + y2 * 4) = 125
(16 + 16y + 4y2) = 125

Solving
16 + 16y + 4y2 = 125

Solving for variable 'y'.

Reorder the terms:
16 + -125 + 16y + 4y2 = 125 + -125

Combine like terms: 16 + -125 = -109
-109 + 16y + 4y2 = 125 + -125

Combine like terms: 125 + -125 = 0
-109 + 16y + 4y2 = 0

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

Divide each side by '4'.
-27.25 + 4y + y2 = 0

Move the constant term to the right:

Add '27.25' to each side of the equation.
-27.25 + 4y + 27.25 + y2 = 0 + 27.25

Reorder the terms:
-27.25 + 27.25 + 4y + y2 = 0 + 27.25

Combine like terms: -27.25 + 27.25 = 0.00
0.00 + 4y + y2 = 0 + 27.25
4y + y2 = 0 + 27.25

Combine like terms: 0 + 27.25 = 27.25
4y + y2 = 27.25

The y term is 4y.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4y + 4 + y2 = 27.25 + 4

Reorder the terms:
4 + 4y + y2 = 27.25 + 4

Combine like terms: 27.25 + 4 = 31.25
4 + 4y + y2 = 31.25

Factor a perfect square on the left side:
(y + 2)(y + 2) = 31.25

Calculate the square root of the right side: 5.590169944

Break this problem into two subproblems by setting 
(y + 2) equal to 5.590169944 and -5.590169944.

Subproblem 1

y + 2 = 5.590169944 Simplifying y + 2 = 5.590169944 Reorder the terms: 2 + y = 5.590169944 Solving 2 + y = 5.590169944 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + y = 5.590169944 + -2 Combine like terms: 2 + -2 = 0 0 + y = 5.590169944 + -2 y = 5.590169944 + -2 Combine like terms: 5.590169944 + -2 = 3.590169944 y = 3.590169944 Simplifying y = 3.590169944

Subproblem 2

y + 2 = -5.590169944 Simplifying y + 2 = -5.590169944 Reorder the terms: 2 + y = -5.590169944 Solving 2 + y = -5.590169944 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + y = -5.590169944 + -2 Combine like terms: 2 + -2 = 0 0 + y = -5.590169944 + -2 y = -5.590169944 + -2 Combine like terms: -5.590169944 + -2 = -7.590169944 y = -7.590169944 Simplifying y = -7.590169944

Solution

The solution to the problem is based on the solutions from the subproblems. y = {3.590169944, -7.590169944}

See similar equations:

| -35v=-72v+107 | | Z-9/4=5 | | 8-2/5x9 | | (-0.25x-6)-(6.5x+3.4)= | | 3x-5=2x-(-4-x)-1 | | 3(-1)+y=3 | | 5e^2x=8 | | X-5-74=180 | | 12.5=-9z | | -4(-2x+6)=8 | | 12.5+x-8.2=49 | | 2(x+7)=-4x+14 | | 12.5+x-8.2=9 | | 0.25r=7 | | -7[9+7(-7+7)]+12= | | X-8-33=180 | | -y/6=2 | | 5z+3=z | | X+57+23=180 | | 10z+3=6z | | 3x*x=15 | | X(3x-6)=90 | | 15=3x+x | | 4y-6+3y-9= | | cx+d=83 | | X-1-121=180 | | 2/5=2/3g | | 0.1/49=x/960 | | .5x+7=x+13 | | 15=3+6 | | 22=-8v+6(v+2) | | 4.4s+6.2=88 |

Equations solver categories