Expand and simplify (5a-2b)(3a-4b)

=(5a x 3a) + (5a x -4b) + (3a x -2b) + (-2b x -4b) =15a^2 - 20ab - 6ab + 8b^2 =15a^2 - 26ab + 8b^2

PI
Answered by Paul I. Maths tutor

9535 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

White paint costs £2.80 per litre and blue paint costs £3.50 per litre. White and blue paint are mixed in the ratio 3 : 2. How much does it cost to make 18 litres of this mixture?


[Higher] Simplify the following expressions: x^7 X x ^5 and (x^-2)^-3


Solve this set of simultaneous equations: 5x+3=3y 9x+9=6y


How can you factorise quadratics with a an x^2 coefficient higher than one?


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