answersLogoWhite

0


Best Answer

5 = 1 x 5, 21 = 3 x 7

3 x 5 = 15, 1 x 7 = 7, 15 - 7 = 8 so:

(5x + 7)(x - 3)

User Avatar

Wiki User

βˆ™ 12y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

βˆ™ 12y ago

It is: 2a(2b+c)

This answer is:
User Avatar

User Avatar

Wiki User

βˆ™ 11y ago

(2a - 5b)(5a - b)

This answer is:
User Avatar

User Avatar

Wiki User

βˆ™ 15y ago

a(5+b)

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How do you factorise 4ab plus 2ac?
Write your answer...
Submit
Still have questions?
magnify glass
imp