y^2+6y+18=0

Simple and best practice solution for y^2+6y+18=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+6y+18=0 equation:


Simplifying
y2 + 6y + 18 = 0

Reorder the terms:
18 + 6y + y2 = 0

Solving
18 + 6y + y2 = 0

Solving for variable 'y'.

Begin completing the square.

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + 6y + -18 + y2 = 0 + -18

Reorder the terms:
18 + -18 + 6y + y2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 6y + y2 = 0 + -18
6y + y2 = 0 + -18

Combine like terms: 0 + -18 = -18
6y + y2 = -18

The y term is 6y.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6y + 9 + y2 = -18 + 9

Reorder the terms:
9 + 6y + y2 = -18 + 9

Combine like terms: -18 + 9 = -9
9 + 6y + y2 = -9

Factor a perfect square on the left side:
(y + 3)(y + 3) = -9

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| (x+5)4=(3x)3 | | 3(2x+1)-2(3-x)=13 | | 4x+3-2x=17+2x-7 | | x^2=13x+48 | | -2(5.25+6.2x)=3(-3.1x+2.68) | | 30x+24=-45x-8 | | -x^2=14x+49 | | 8=.2x | | 6.8(x-4)=-0.2+21.8 | | 5.87x+23.48=46.96 | | 1/3(x-6)=2/3 | | 3x-1.2=5.4 | | 4(1y+1)-3=21 | | 17=u-10 | | -21=y-6 | | -0.65x^3+0.57x^2+56.68x+3104=13 | | k-5=9 | | 265+600= | | 24+3y=3y | | 4x^2+5x+7=-1 | | -18=w-2 | | h-1=-16 | | (7+5i)+(-4+2i)=0 | | -24=j+16 | | 14=m-7 | | d-8=4 | | 10/55=6/33 | | 5x^4-401x^2+16=0 | | 4x^3-14x=0 | | 5x+7=-65-7x | | 12+3x=4.5x | | 8y^2+28y-60=0 |

Equations solver categories