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

2321 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do I find the minimum turning point of a parabola?


Solve (6x-2)/4 - (3x+3)/3 = (1-x)/3. (4 marks)


Show that the lines y=3x+7 and 2y–6x=8 are parallel. Do not use a graphical method.


Do you have any tips for revising for my GCSE Maths Exam?


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