y^2+2y+20=0

Simple and best practice solution for y^2+2y+20=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+20=0 equation:


Simplifying
y2 + 2y + 20 = 0

Reorder the terms:
20 + 2y + y2 = 0

Solving
20 + 2y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-20' to each side of the equation.
20 + 2y + -20 + y2 = 0 + -20

Reorder the terms:
20 + -20 + 2y + y2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 2y + y2 = 0 + -20
2y + y2 = 0 + -20

Combine like terms: 0 + -20 = -20
2y + y2 = -20

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 = -20 + 1

Reorder the terms:
1 + 2y + y2 = -20 + 1

Combine like terms: -20 + 1 = -19
1 + 2y + y2 = -19

Factor a perfect square on the left side:
(y + 1)(y + 1) = -19

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -3x^2+27x=0 | | 7[9-7(8-b)]-9=9[7(9b-8)+6]-82 | | 17(3m+2)= | | 5x-7(x-8)=48 | | c=2.02w+15.83 | | 18(n+1)= | | (9x^3-4x^2-7)+(-2x^3-2x-4)=0 | | a^2+1=25 | | =5x^2-8x-4 | | =27x^2-90x+27 | | 9x^2+12x+4=12 | | (n+9)+1= | | =3x^2-x-2 | | x(-3x+7)=21 | | 5y+-3x=5 | | -x^2+4=9x+1 | | 7(x+4)= | | 9x+6=16x+8 | | 15-x=11 | | 12v^2=27 | | 2x-(x+12)=3x-10 | | 3x+9=6x+36 | | x-7=-8-2x | | 3(c+5)=8c-20 | | 6w+3=6.2+w | | 700-65= | | 6w+3=6*2+w | | 5x^2=24x+36 | | 8x+2=4x+26 | | -(8y+3)-(-7-8)=4 | | 65-32= | | x-40=5 |

Equations solver categories