Question

How do you simplify `4(5a - 3)`?

Answer 1

20a - 12

Explanation:

Use the `color(blue)"distributive law"` which means multiply each term inside the bracket by the 4 outside.

`rArrcolor(red)(4)(5a-3)=(color(red)(4)xx5a)+(color(red)(4)xx(-3))=20a-12`

`rArr4(5a-3)=20a-12`