Solve by completing the square. 2x^2 – 2x – 4 = 0

Step-by-step explanation:

Factor out 2,

x² - x - 2 = 0

x² - x = 2

x² - x + (-1/2)² = 2 + (-1/2)²

(x - 1/2)² = 9/4

x = ±3/2 + 1/2

x = 2 or x = -1

no problobm

step-by-step explanation:

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50