Question: how to use excel to calculate quadratic equation?
Answer: Excel finds the other solution if you start with an x-value closer to x = -1. For example, enter the value 0 into cell A2 and repeat steps 5 to 9. To find the roots, set y = 0 and solve the quadratic equation 3x2 - 12x + 9.5 = 0. In this case, set 'To value' to 0.