Question

2x^2 - 3x - 15 = 5 using quadratic equation

Answer 1

Answer:

x= 4, 2.5(or 5/2)

Step-by-step explanation:

2x²-3x-15=5

           -5   -5

2x²-3x-20=0

plug into quadratic equation

(3+13)/4           (3-13)/4

16/4=4             10/4=2.5