Question

Factor f(b) = 9b² - 5b - 10

Answer 1

Let's factor: f(b) = 9b² - 5b - 10

Using the quadractic equation we have:

b = (5 +/+ √25 - 4 * -10 * -9)/18

b = (5 +/- √385)/18

b1 = (5 + 19.62)/18

b2 = (5 - 19.62)/18

b1 = 1.37

b2 = -0.81