Which is a correct expansion of the following expression? 18(x – 3) – 26

A. 18x – 80

B. 18x + 80

C. 18x + 28

D. – 62x

The answer is a. 18x - 80

Because first you will expand the brackets, for this you will multiply everything that is outside the bracket to what’s inside (18 times x) which will give you 18x and (18 times -3) which will give you -54

Now your equation will be

18x -54 - 26

Next you will workout the liked terms with are -54 and -26, since they are both negative just add them together and keep the sign.

To get your final answer

18x -80

If cheese is $4.40 per kilogram, you should pay .88