Question

3
what are the roots of quadratic eqution x3-9x+20-0​

Answer 1

Answer:

x3 - 9x + 20 - 0

x3-9x+20-0 = 0

x3-9x+20 = 0

x3-9x = -20

9x-3x = -20

6x = -20

x = -20/6

x = 10/3