-64+y^2+2y=4y

Simple and best practice solution for -64+y^2+2y=4y 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 -64+y^2+2y=4y equation:


Simplifying
-64 + y2 + 2y = 4y

Reorder the terms:
-64 + 2y + y2 = 4y

Solving
-64 + 2y + y2 = 4y

Solving for variable 'y'.

Reorder the terms:
-64 + 2y + -4y + y2 = 4y + -4y

Combine like terms: 2y + -4y = -2y
-64 + -2y + y2 = 4y + -4y

Combine like terms: 4y + -4y = 0
-64 + -2y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '64' to each side of the equation.
-64 + -2y + 64 + y2 = 0 + 64

Reorder the terms:
-64 + 64 + -2y + y2 = 0 + 64

Combine like terms: -64 + 64 = 0
0 + -2y + y2 = 0 + 64
-2y + y2 = 0 + 64

Combine like terms: 0 + 64 = 64
-2y + y2 = 64

The y term is -2y.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2y + 1 + y2 = 64 + 1

Reorder the terms:
1 + -2y + y2 = 64 + 1

Combine like terms: 64 + 1 = 65
1 + -2y + y2 = 65

Factor a perfect square on the left side:
(y + -1)(y + -1) = 65

Calculate the square root of the right side: 8.062257748

Break this problem into two subproblems by setting 
(y + -1) equal to 8.062257748 and -8.062257748.

Subproblem 1

y + -1 = 8.062257748 Simplifying y + -1 = 8.062257748 Reorder the terms: -1 + y = 8.062257748 Solving -1 + y = 8.062257748 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + y = 8.062257748 + 1 Combine like terms: -1 + 1 = 0 0 + y = 8.062257748 + 1 y = 8.062257748 + 1 Combine like terms: 8.062257748 + 1 = 9.062257748 y = 9.062257748 Simplifying y = 9.062257748

Subproblem 2

y + -1 = -8.062257748 Simplifying y + -1 = -8.062257748 Reorder the terms: -1 + y = -8.062257748 Solving -1 + y = -8.062257748 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + y = -8.062257748 + 1 Combine like terms: -1 + 1 = 0 0 + y = -8.062257748 + 1 y = -8.062257748 + 1 Combine like terms: -8.062257748 + 1 = -7.062257748 y = -7.062257748 Simplifying y = -7.062257748

Solution

The solution to the problem is based on the solutions from the subproblems. y = {9.062257748, -7.062257748}

See similar equations:

| 14w+16w-7+4=-4w+4-7 | | 5x-.5=.8 | | 6x-3x-2x=x | | -12=q-13 | | -15x=7 | | 6r^2+85r+156=0 | | f(b)=2x^2+4x-6 | | 3x=(-2+4x) | | 15*49= | | 3b-5-10b-9= | | -15+27=-2(x+8) | | 7x-0.8=8x | | x^3=6x^2+19x+144 | | -(2-3x)+3=9-x | | 4y=215+x | | Ln(1-x)=x | | 2x-9y+5z=-8 | | f(x)=(x+2)2-1 | | 49*51= | | 8(x*2)=36 | | 5400=15000*0.06*x | | 9a+1=55 | | 190=950*x*5 | | h=4.9t^2+2.38t+3.5 | | -6p=-3 | | 10=2(k+1) | | P=240+45w | | -x-2y-8x-2y=0 | | 49=29-4(x-2) | | 12x+18=3x-54 | | Q=4+(14)-12(1) | | -9=.6667x+5 |

Equations solver categories