Expand 3(5a-2)

A) 15a - 2
B) 8a - 2
C)9a
D)15a - 6
D is correct - multiply each term in the bracket by what is outside the bracket.
The other 3 answers show different mistakes, identifying the different areas of improvement.

AJ
Answered by Alex J. Maths tutor

5435 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

There are 5 white socks and 3 black socks in a draw. Steven takes out 2 at random. Work out the probability that Steven takes out 2 socks of the same colour.


How do you calculate the sine, cosine and tangent values for 45 degrees without a calculator?


Prove that (2*a^2 + 7a + 3)/(a + 3) is an odd number for any positive integer number, a.


Can you solve 18-7x < 12-3x ?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences