r2-12r+36=0

Simple and best practice solution for r2-12r+36=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 r2-12r+36=0 equation: 



r2-12r+36=0

We add all the numbers together, and all the variables

r^2-12r+36=0

a = 1; b = -12; c = +36;
Δ = b2-4ac
Δ = -122-4·1·36
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$r=\frac{-b}{2a}=\frac{12}{2}=6$

See similar equations:

| 7(1−2x)−3=4−2x | | 8=8+6n | | y=414-y | | y=414-1 | | |4x|+2=12 | | 3+21=-4(2x-6) | | 19=3y-3 | | −7+4m+10=15-2m | | -5=-3x+7 | | -15=5x+8-4x | | 7a+26=4a+95 | | 12x+36+9x-3=180 | | –3+5q=6q | | 2x-70+2x+20+10=360 | | -462=-22x | | 4(2x+9)=-26+46 | | 8g+10=35g+3g | | 2x-20=3x+4 | | -4(x+3)=2x-6+6(2x+1) | | 8−9c=–10c | | 5h=6+6h | | n/5-2=0 | | 4x+2+7x-43=180 | | -51/6=21/6+p | | 1=0.625x | | -1=n-6/10 | | –9y+8=–10y | | -12=10+n/2 | | 3m-(7m+12)=2m-6 | | 2x+40+55+4x-10+5x=360 | | 8(2x-2)=4(4x-3) | | 81n2-9=7 |

Equations solver categories