If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3s^2+12s-15=0
a = 3; b = 12; c = -15;
Δ = b2-4ac
Δ = 122-4·3·(-15)
Δ = 324
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{324}=18$$s_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(12)-18}{2*3}=\frac{-30}{6} =-5 $$s_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(12)+18}{2*3}=\frac{6}{6} =1 $
| 2w+4=3w | | 2w=3w+2 | | 3(9-y)=5(y-9 | | 4^x+4.2^x-5=0 | | Y=12+-3x | | 2w+2=3w | | P+p+1÷3=6p | | 4^x+4.2^x=5 | | 7y+45=12y-65 | | 0,3(u+1)+6u=4,9+4u | | 3=x-8/4 | | 15-8x=8x=11-7x | | 4/t-2-8/t^2-2t=-2t | | U^2+4u+2=0 | | 7-3x=2x+-5x | | x2+x2=64 | | 4d-100=d-20 | | 155x=195x+3150 | | -30=q-1+11q | | x²+43x+44= | | 2x+3.2(-0.2)=6.4 | | x+7/5=1,8 | | 12y-96+20y=4y-1(40) | | 2x=1754-60 | | 12y-8+20y=4y-1(40) | | 5k-6=18-3k | | 2^(x+3)+2^(2-x)=33 | | 0.12(y-8)+0.20y=0.04y-0.01(40) | | 15x-72=180 | | 7y+18=53 | | 9d+2=4d+12 | | x=(2x+1)0.4 |