If it's not what You are looking for type in the equation solver your own equation and let us solve it.
17x^2-4x-85=0
a = 17; b = -4; c = -85;
Δ = b2-4ac
Δ = -42-4·17·(-85)
Δ = 5796
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{5796}=\sqrt{36*161}=\sqrt{36}*\sqrt{161}=6\sqrt{161}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-4)-6\sqrt{161}}{2*17}=\frac{4-6\sqrt{161}}{34} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-4)+6\sqrt{161}}{2*17}=\frac{4+6\sqrt{161}}{34} $
| 36=3zz= | | 5÷2x+3=23 | | 3=p/13 | | 2t²-8t=-3 | | x+x+3+x÷2=23 | | 64=10y−26 | | 7(m+12)=14 | | 8b+10=50 | | -15÷m=-4 | | 2f+11=27 | | -4=a/18 | | 8+6y=92 | | 20=3b+11 | | 5a=4a+8 | | F=(20x1.8)+32 | | 19=4f+7 | | 20x+20−x=16x−16 | | 8×=20+3x | | 70/100=x | | 3b+1=4 | | t(t+3)=42 | | 10x+5=2x+9 | | 1/4*x-5+9=1/2x | | b/7=-14 | | −3(x+7)3=-11 | | 3x²-^5x+6=2x²^-5x+6 | | b^2−6b−1=0 | | 21-x=12x= | | b2−6b−1=0 | | w/3=6w= | | 8v=48v= | | u-5=30u= |