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

10933 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Q) The equation of a curve is y=(x+4)^2+7. Find the co-ordinates of the turning point


Solve 2x^2 = 162


Factorise x² + 6x + 8


Solve the simultaneous equations: (a) y - 2x = 6; (b) y+2x = 0.


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