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.

MT
Answered by Mai T. Maths tutor

2367 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do I find out the equation of a line?


Solve the two simultaneous equations: 2y + x = 8 [A] and 1 + y = 2x [B]


Work out the value of 2^4


What is the best way to solve simultaneous equations?


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