Question

What is the complete factored form of the expression 7xy + 28x² + y + 4x?

Answer 1

(7x+1) (y+4x)

Explanation:

Let's focus with 7xy + 28x² first

Factorise it

7x (y+4x)

Now, factorise (y+4x)

1 (y+4x)

join the values outside the brackets to get:

(7x+1)