Question

Suppose 4 a-b
? Please Help. I don't understand how to do it.

Answer 1

$\\ \rm\Rrightarrow 4(a-b)$

• Apply distributive law and simplify

$\\ \rm\Rrightarrow 4(a)-4(b)$

$\\ \rm\Rrightarrow 4a-4b$

Done!