Question

Factorise completely

a). 3xy - 9x

b). x² - 4

c). 2x² + 5y + 1​

Answer 1

a) 3x(y-3)

b) (x-2)(X+2)

Explanation:

See the steps below:) You can also use the app photo math, you take a picture and it will give you the answer and explain the steps:)