Why doesn't (a+b)^2 = a^2+b^2

(a+b)2 actually means (a+b)x(a+b) and so you have to solve this the long way unfortunately. You can use the grid method to do this [I would write this out on the whiteboard function at this point] which gives you the answer of a2+b2+2ab.

Answered by Mai T. Maths tutor

2024 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Factorise x²+5x+6.


I buy a car from a dealership for £3500. The car depreciates in value for every year I own it. What is the value of the car after I have owned it for 18 months if it depreciates at a rate of 5 percent?


How do you subtract a mixed fraction from another?


How do I use Pythagorus' Theorum?


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 2013–2024

Terms & Conditions|Privacy Policy
Cookie Preferences