p^2+3p=-18

Simple and best practice solution for p^2+3p=-18 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 p^2+3p=-18 equation:


Simplifying
p2 + 3p = -18

Reorder the terms:
3p + p2 = -18

Solving
3p + p2 = -18

Solving for variable 'p'.

Reorder the terms:
18 + 3p + p2 = -18 + 18

Combine like terms: -18 + 18 = 0
18 + 3p + p2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + 3p + -18 + p2 = 0 + -18

Reorder the terms:
18 + -18 + 3p + p2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 3p + p2 = 0 + -18
3p + p2 = 0 + -18

Combine like terms: 0 + -18 = -18
3p + p2 = -18

The p term is 3p.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3p + 2.25 + p2 = -18 + 2.25

Reorder the terms:
2.25 + 3p + p2 = -18 + 2.25

Combine like terms: -18 + 2.25 = -15.75
2.25 + 3p + p2 = -15.75

Factor a perfect square on the left side:
(p + 1.5)(p + 1.5) = -15.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3(3+2x)-x=4 | | -10x^2+23x-12=0 | | -342=9(-6x-2) | | -4r-5=-4r | | 73k-66k=42 | | 7-c=-7 | | 7z=-1+7z | | 8(-5x+14)=-168 | | x^2+6x=280 | | -3+3=-3-6 | | 8-9f=-9f+8 | | 6=-(s+-16) | | 29+n=32 | | 12*3.5+4Y=-50 | | 3(x+5)+x=6x-21 | | 25x=132 | | 0=n-n | | 205=5(10x-9) | | 16y-9y-5y+1=11 | | 12X+-4*3.5=-50 | | 0=-3q+3q | | 2/3=28 | | x^2+y^2-10x+20y+122=0 | | x+2.7=7.7 | | 3t-2t-t+2t=16 | | -270=5(7x+9) | | Y+4(x-5)=-3 | | 7g-2g=5g | | 9(3)-8=x | | (9-4)+x=25 | | 0=2b-2b | | 15v-12v-2v-1=14 |

Equations solver categories