Expand 5a(a+3b)

5a x a = 5a2 5a x 3b =15ab 5a2 + 15ab

MK
Answered by Mahnoor K. Maths tutor

4370 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

The equation of line L1 is y=5x-2. The equation of line L2 is 4y-20x=6. Show that these two lines are parallel.


A cuboid of height 5 cm has a base of side 'a' cm. The longest diagonal of the cuboid is 'L' cm. Show that 'a' = SQRT[ (L^2 - 25)/2]


The equation of line L1 is y = 3x-2 and the equation of line L2 is 3y-9x+5 = 0. Show that these two lines are parallel.


Make b the subject of the formula a = 3 - 2b


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