y^2+12y+25=0

Simple and best practice solution for y^2+12y+25=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 y^2+12y+25=0 equation:


Simplifying
y2 + 12y + 25 = 0

Reorder the terms:
25 + 12y + y2 = 0

Solving
25 + 12y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + 12y + -25 + y2 = 0 + -25

Reorder the terms:
25 + -25 + 12y + y2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 12y + y2 = 0 + -25
12y + y2 = 0 + -25

Combine like terms: 0 + -25 = -25
12y + y2 = -25

The y term is 12y.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12y + 36 + y2 = -25 + 36

Reorder the terms:
36 + 12y + y2 = -25 + 36

Combine like terms: -25 + 36 = 11
36 + 12y + y2 = 11

Factor a perfect square on the left side:
(y + 6)(y + 6) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(y + 6) equal to 3.31662479 and -3.31662479.

Subproblem 1

y + 6 = 3.31662479 Simplifying y + 6 = 3.31662479 Reorder the terms: 6 + y = 3.31662479 Solving 6 + y = 3.31662479 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + y = 3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + y = 3.31662479 + -6 y = 3.31662479 + -6 Combine like terms: 3.31662479 + -6 = -2.68337521 y = -2.68337521 Simplifying y = -2.68337521

Subproblem 2

y + 6 = -3.31662479 Simplifying y + 6 = -3.31662479 Reorder the terms: 6 + y = -3.31662479 Solving 6 + y = -3.31662479 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + y = -3.31662479 + -6 Combine like terms: 6 + -6 = 0 0 + y = -3.31662479 + -6 y = -3.31662479 + -6 Combine like terms: -3.31662479 + -6 = -9.31662479 y = -9.31662479 Simplifying y = -9.31662479

Solution

The solution to the problem is based on the solutions from the subproblems. y = {-2.68337521, -9.31662479}

See similar equations:

| -3x-9= | | 8x+10x=7x | | 9x+4y=-76 | | -7x+9=-9x+13 | | -8(-8)+76=-56 | | g(7)=-2X+2 | | f(-4)=3x^2-3x | | 8(-7)-8y=-64 | | 3a+10+6a=7a-9a | | 0.05(0.3m+35n)-0.8(0.09m)-22n= | | 15z+23=23+15z | | 9-2x+11=10 | | (t-2)^2/4t^2x2t/t-2 | | -6=-9/x | | 9=-21-6x | | 4xsquared=16 | | T^4+29T^2=100 | | 4xsquared= | | T^4+29T^2=-100 | | 10/3=90/x | | -7.4q=-36-1.4q | | -(5x-3)+(4x-2)= | | 6(2-x)-12= | | 2+3(5x-6)=8-5(2x+1) | | (4/5)t-(3/10)=(2/5) | | t^2+2t+1=25 | | 0.04(x+5)=0.02(2x+9)+0.02 | | y^-3/y^-6 | | x^-3/x^-7 | | 4x+7-3x=7+2x-6 | | 3x-11=25 | | -6y-3=1-5y |

Equations solver categories