Please explain in detail how to solve this problem:
h = -16t^2 + 156t + 105
If h = -16t^2 + 156t + 105 = 0
then
In google type:
quadratic equation online
When you see list of results click on:
Free Online Quadratic Equation Solver:Solve by Quadratic Formula
When page be open in rectangle type:
16t^2 + 156t + 105 = 0
and click option: solve it!
You wil see solution step-by-step