Binomial Expansion-How to expand in algebraic expressions using FOIL method-Lesson 3

[@BenO.Verbich-bi6qn]

For 3(a-b)-2(2a-b)
Why did you make it( -2.4a )

[@jabulanizulu5507]

hello where did you get the plus in the second sum/ 2p plus -4p

[@user-fp7nx2sp4c]

Why did you bring -2.4 when i see 2.2

[@SituNdaishimye]

Why did u write -2×4
The question was -2(2a-b)

[@spheleleNgubane-wf4de]

i think he made the mistake of multiplying twice while breaking down the brackets