Question

(a) (i) 4x(3x – y) + 7x(3x - y)​

Answer 1

Step-by-step explanation:

(a) (i) 4x(3x – y) + 7x(3x - y)=12x²-4xy+21x²-7xy

=33x²-11xy

Answer 2

Answer:

195x^^y

Step-by-step explanation:

4x(3x-y) + 7x(3x -y)

[(4x*3x) * (4x*y)] + [ (7x*3x) * (7x*y)]

[(12x^) ( 4xy)] + [ (21x^) (7xy) ]

[ 48x^^y] + [ 147x^^y ]

= 195x^^y

NOTE:

* means multiplication

^ means square

^^ cubed