Question

I need help with #5 as well thank you

Answer 1

Answer (4)

Explanation:

2x^2 - x - 10 = 0

x^2 - 1/2*x - 5 = 0

x = 1/4 ± √(1/16 + 80/16) = 1/4 ± √(81/16) = 1/4 ± 9/4

x1 = -8/4 = -2 or x2 = 10/4 = 2.5

Answer (4)