Question

4(4a-2b+5)+2(2a-5)=?

Answer 1

=20a-8b+10

Explanation:

4(4a-2b+5)+2(2a-5)

0pen parenthesis

=16a-8b+20+4a-10

Collect like terms

=16a+4a-8b+20-10

=20a-8b+10

Factorise

=2(10a-4b+5)