Question

How do you factor `3ax² - 30ax + 48a`?

Answer 1

3a(x - 2)(x - 8)

Explanation:

`y = 3a(x^2 - 10x + 16)`
To factor the trinomial in parentheses, find 2 numbers knowing sum
(-10 = b) and product (c = -16). They are -2 and -8 --> sum (-10) and product (16).
y = 3a(x -2)(x - 8)