y^2-12y=-34

Simple and best practice solution for y^2-12y=-34 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=-34 equation:


Simplifying
y2 + -12y = -34

Reorder the terms:
-12y + y2 = -34

Solving
-12y + y2 = -34

Solving for variable 'y'.

Reorder the terms:
34 + -12y + y2 = -34 + 34

Combine like terms: -34 + 34 = 0
34 + -12y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-34' to each side of the equation.
34 + -12y + -34 + y2 = 0 + -34

Reorder the terms:
34 + -34 + -12y + y2 = 0 + -34

Combine like terms: 34 + -34 = 0
0 + -12y + y2 = 0 + -34
-12y + y2 = 0 + -34

Combine like terms: 0 + -34 = -34
-12y + y2 = -34

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 = -34 + 36

Reorder the terms:
36 + -12y + y2 = -34 + 36

Combine like terms: -34 + 36 = 2
36 + -12y + y2 = 2

Factor a perfect square on the left side:
(y + -6)(y + -6) = 2

Calculate the square root of the right side: 1.414213562

Break this problem into two subproblems by setting 
(y + -6) equal to 1.414213562 and -1.414213562.

Subproblem 1

y + -6 = 1.414213562 Simplifying y + -6 = 1.414213562 Reorder the terms: -6 + y = 1.414213562 Solving -6 + y = 1.414213562 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 = 1.414213562 + 6 Combine like terms: -6 + 6 = 0 0 + y = 1.414213562 + 6 y = 1.414213562 + 6 Combine like terms: 1.414213562 + 6 = 7.414213562 y = 7.414213562 Simplifying y = 7.414213562

Subproblem 2

y + -6 = -1.414213562 Simplifying y + -6 = -1.414213562 Reorder the terms: -6 + y = -1.414213562 Solving -6 + y = -1.414213562 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 = -1.414213562 + 6 Combine like terms: -6 + 6 = 0 0 + y = -1.414213562 + 6 y = -1.414213562 + 6 Combine like terms: -1.414213562 + 6 = 4.585786438 y = 4.585786438 Simplifying y = 4.585786438

Solution

The solution to the problem is based on the solutions from the subproblems. y = {7.414213562, 4.585786438}

See similar equations:

| 16x^2=15 | | c^2-2c=35 | | 3x^2+8x-35=0 | | 3x^2+8x-35= | | 3x^2+8x-35=3 | | 2(a-5)-9(a-5)=6(5a+5) | | 1+j=(2j+1) | | p=1.068a-18.39 | | 2x^2=5x+11 | | 39=.5(6)(a+5) | | (3x-2)(x+5)=(4+x^2) | | 2m^2+8m=0 | | -3y+3=5y+10 | | 2x^2+4x=5 | | y=h(x+3) | | 14-8+2-2n+6n=-10+18+3n+3-9n | | 9x-4-4x= | | 13x^2+1=-10x | | 5x-5.3=2.5x-2.7 | | (4.9t^2)+0.28t-2.2=0 | | (3x-2)(x+5)=(2+x) | | Y=x^2-14x+49 | | 5x+4x-10=2x-2x | | 2x^2=3x+1 | | 23x+6x=10 | | 23x+6x= | | -9x^2=-35 | | x(2x-6)=(2x+4)(x-4) | | x(2x-6)4=(2x+4)(x-4) | | 6x^2=120 | | (7x+3y)(x+2y)= | | (5x-2y)(3x+4y)= |

Equations solver categories