If it's not what You are looking for type in the equation solver your own equation and let us solve it.
8x^2+15x-17=0
a = 8; b = 15; c = -17;
Δ = b2-4ac
Δ = 152-4·8·(-17)
Δ = 769
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}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(15)-\sqrt{769}}{2*8}=\frac{-15-\sqrt{769}}{16} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(15)+\sqrt{769}}{2*8}=\frac{-15+\sqrt{769}}{16} $
| 15x+343=343 | | x/5+9=25 | | 4x/5+10=10 | | 0.4(y+6)=4.8 | | 8x-14=4(2x+1) | | 3^x+1=5^2x-1 | | (27x-21x)/4=9.45 | | (7/7b+3)=(2/b-3) | | -9a^2-1=0 | | x(0.1)+x=716.67 | | -2v^2-1v+(v+2)^2=6 | | -5n+33=5(1-n) | | 34x-C=4x+180 | | 2x-6=29-15 | | Y=2x^2-12x+7 | | 42x2-4x=1 | | m(^)2+14m+60=0 | | 7y=12y+40 | | -2t-9=25 | | 0.1=(850-x)/x | | |a|=4 | | 80-2x=48 | | 2^7x=32 | | (v+2)^2=2v^2+v+6 | | |2+9x|=34 | | -5t^2+40t+240=0 | | 16x-6=3(5x-2) | | 36x+2=98.7 | | -1.5n-0.9n=2.88 | | -12+x=12-2x | | 8/6=6/b | | 3=2k+4 |