Expand the brackets: (2x + 4)(x + 3)

Use the 'crab claw' technique for which order to expand your brackets in (demonstrate by drawing with whiteboard). So start with 2x multiplied by x = 2x2. Then 2x multiplied by 3 = 6x. Then 4 multiplied by x = 4x. Then finally, 4 multiplied by 3 = 12. Putting this all together, the answer is 2x2 + 6x + 4x + 12, simplified to 2x2 + 10x + 12

MM
Answered by Molly M. Maths tutor

3187 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Use the Intermidiate Value Theorem to prove that there is a positive number c such that c^2 = 2.


Mark wants to borrow money to buy a car. His bank offers him a loan of £5,000 to be payed back over 3 years at 4% compound interest. a) Work out the interest acquired in the 2nd year. b) In total how much will Mark end up paying back the bank?


There are 7 white socks and 4 black socks in a drawer. Two socks are taken out at random without replacement. Work out the probability that the two socks are the same colour


Lily is buying theatre tickets. 4 adult tickets at £15 each 2 child tickets at £10 each A 10% booking fee is added to the ticket price. 3% is then added for paying by credit card. Work out the total ticket price if Lily is paying by card?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences