r2-8r+18=0

Simple and best practice solution for r2-8r+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 r2-8r+18=0 equation: 



r2-8r+18=0

We add all the numbers together, and all the variables

r^2-8r+18=0

a = 1; b = -8; c = +18;
Δ = b2-4ac
Δ = -82-4·1·18
Δ = -8
Delta is less than zero, so there is no solution for the equation

See similar equations:

| x=33x+5 | | 11x-15=x+20 | | 3x²-10x-48=0 | | x^2-2x+55=180 | | 15x=14x*5 | | x^2+2x+55=180 | | 2x2-9x=-7 | | a-3.7=-3.3 | | 2^2x+4^x=1 | | 5y^2+5y+65=0 | | 4m-2m-2(5m+8)=8 | | 5(y+5)^2=60 | | (2x)*x=30 | | -10w+2=-48 | | d-82=12 | | 5=1+((2x^2)/4) | | (v-2)^2+4=44 | | 6w+1=-35 | | 4m^2-10m+5=0 | | 3(x-7)+2x=5(x+5)-46 | | 20=1+2(x^2) | | w+2.7-2.7=2.2-2.7 | | 1=5-3a | | -x-8=2 | | 20=1+2x | | 5/4=76/89=f | | -2π+d=3π | | 345=88-77v | | -2y+3=5y+10 | | 2x+x+(x-12)=180 | | -3(r-2)=8-5(6+2r) | | 134536789-435675867=345376879-245346978=h |

Equations solver categories