Factorise 100-x^2

Via inspection, one can factorise this via the difference of squares; since a^2-b^2 = (a+b)(a-b), therefore:100-x^2 = (10-x)(10+x)

Answered by Howard M. Maths tutor

5931 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Express x^2+2x+4 in the form (x+a)^2 + b, hence find the stationary point of the curve.


The line L passes through the points (-2,3) and (6,9). How do I find the equation of the line that is parallel to L and passes through the point (5,-1)?


Write 3/8 as a decimal


Solve the quadratic equation 3x^2 + x – 5 = 0 give answers to 3 decimal places


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