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

2325 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Write 32 X 8^(2x) as a power of 2 in terms of x.


The area of a rectangle is 8cm^2. It has a length of (3x+1)cm and a width of (2x+5)cm. Work out the value of x.


Simplify p^2× p^5


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


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