s^2-17s+66=0

Simple and best practice solution for s^2-17s+66=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 s^2-17s+66=0 equation: 



s^2-17s+66=0

a = 1; b = -17; c = +66;
Δ = b2-4ac
Δ = -172-4·1·66
Δ = 25
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$s_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$s_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{25}=5$


$s_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-17)-5}{2*1}=\frac{12}{2}
=6
$


$s_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-17)+5}{2*1}=\frac{22}{2}
=11
$

See similar equations:

| 9(3x+1)=11(x-3) | | x.25-4=3x.25-6 | | 7/14•y=-56/17 | | 2(-3a-2)-4a=-8(a+8) | | 25=19+2x | | 8(v-8)-4v=-28 | | 2x2+13x+6=0 | | 9-9n=-n-9-5n | | 5/6*w=7/18 | | 19=3(w+5)-5w | | 539=900-19w | | x/4-7=+ | | b^2-23b+132=0 | | x.5-4=-5 | | 7(x-1)=40 | | 3/8+k=7/8 | | 6x+33=3x+45 | | 5/4(20x+12)=54 | | 16-2(3x-1)=0 | | 4=20x/100 | | 10x+69=109 | | 6(6x+6)-5=6x | | g2–29g=0 | | 6r^2-72r+192=r | | x+9-9=839-9 | | -13(2*x)=13x-26 | | (7-3m)/(m^2-4)=0 | | x-9=830 | | 4c-8-6c=16 | | (x+36)+2x=90 | | 83f-51=51 | | x=32/4*2 |

Equations solver categories