Factorise x^(2)​​​​ - 49

(x + 7)*(x - 7)

Notice difference of two squares. Very important to learn square numbers, primes and multiples and be able to notice them.

GI
Answered by Georgiana I. Maths tutor

3778 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations: x+y=2 , 4y²-x²=11


Tom's dad is 3 times older than him. In 15 years the sum of Tom's and his dad's ages will be equal to 102. How old are Tom and his dad now?


Solve 5x^2 = 10x + 4 , to 2 decimal places.


You are told that y is proportional to x^2 and that y=75, x=5. Find a formula for y in terms of x.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences