Respuesta :

GoddessofDork

Firstly, subtract 3 on both sides of the equation: [tex] d-3=at^2 [/tex]

Next, divide by a: [tex] \frac{d-3}{a}=t^2 [/tex]

Lastly, square root both sides, and your answer will be [tex] \pm \sqrt{\frac{d-3}{a}}=t [/tex]