y^2-2y+15=0

Simple and best practice solution for y^2-2y+15=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^2-2y+15=0 equation:


Simplifying
y2 + -2y + 15 = 0

Reorder the terms:
15 + -2y + y2 = 0

Solving
15 + -2y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -2y + -15 + y2 = 0 + -15

Reorder the terms:
15 + -15 + -2y + y2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -2y + y2 = 0 + -15
-2y + y2 = 0 + -15

Combine like terms: 0 + -15 = -15
-2y + y2 = -15

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 = -15 + 1

Reorder the terms:
1 + -2y + y2 = -15 + 1

Combine like terms: -15 + 1 = -14
1 + -2y + y2 = -14

Factor a perfect square on the left side:
(y + -1)(y + -1) = -14

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 6.6x-4+x-1.9= | | 62*5= | | 3(x+5)=(9-4)x | | 3x+4-6x=12 | | 3x+5i=7-2yi | | 3(x+5)=9-4x | | 60*5+2= | | -1.9(4y+8)+4.8y= | | (4m-5)*(3-m)=(2p+20)*(20) | | 3x+5=9-4x | | (4m-5)(3-m)=(2p+20)(20) | | 25-0.4x=45 | | (4m-5)x(3-m)=(2p+20)x(20) | | -45+y=-54 | | 4-9x=6(5x+3)+18 | | 12=-2-2x | | 12x=6x+9+x^2 | | 2(2r-4)-24= | | 4y-10=7y-1 | | y=56+8-1 | | 2x+3/7=4 | | 798.6276=3.14r^2 | | 4(x-6)=3(x+8) | | 35c+20=6c-6 | | 3(m+5)-5=3(m+3) | | -5-6=9x+5-8x | | -8x+y=56 | | 2z+10=3z | | 4z=16-28 | | 2d^2+13d-6=0 | | x+74+x+124=180 | | -3+17=m-4 |

Equations solver categories