If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-5.71=4.905t^2-4.29t
We move all terms to the left:
-5.71-(4.905t^2-4.29t)=0
We get rid of parentheses
-4.905t^2+4.29t-5.71=0
a = -4.905; b = 4.29; c = -5.71;
Δ = b2-4ac
Δ = 4.292-4·(-4.905)·(-5.71)
Δ = -93.6261
Delta is less than zero, so there is no solution for the equation
| 3x+22=10x-41=180 | | 10x-1=14x+13 | | 4x-15=2x-27 | | -5(3x+6)+2x=2(-5x+6)-3 | | 4x+7+5x-19=180 | | (4x+7)+(5x-19)=180 | | 18/24=n/4 | | 9x+9+10x-4=180 | | 4m-5=9=3m | | 45-x=60-4x | | 2a-4-2a+4=0 | | h-675=232 | | 945=21f | | 6n=-114 | | 93-v=156 | | 10x-65=3x-15 | | 3(x+20)=2(x-25) | | 2x=4(x-5) | | 17-2x-4x=5 | | 3x=2(x-5) | | 5x-2+1=3x | | a/10-8=19 | | 336/x=6 | | 13x-20-4x-16+x=54 | | 13x-20-4x-16+x=534 | | 3(2x-4)-(6+x)=7 | | 0.85^x=5000 | | 2/3(x-1)=-2x+10 | | (x^2)/2+2x-21=0 | | 21=((x+4)/2)(x/2) | | x^2-6x-178=0 | | y^2-y-400=0 |