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

10411 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

There are 20 sweets in a bag, 5 are white and 15 are black. What is the probability that a sweet chosen at random will be white?


Solve the simultaneous equations: 5x + 3y = 41 and 2x + 3y = 20 Do not use trial and error.


How do you find the mean of 5 values?


solve the simultaneous equation x^2 + 2y = 9 , y - x = 3


We're here to help

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

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning