this part of a big problem

do i distribute the 3 first or do i distribute the 4 first?

-3(n-3).4

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- Jan 29th 2007, 12:51 AMelfen_liedcan i add these?
this part of a big problem

do i distribute the 3 first or do i distribute the 4 first?

-3(n-3).4 - Jan 29th 2007, 01:06 AMticbol
-3(n -3).4

If that is

-3(n -3)(4),

then it does not matter whether you multiply by the -3 first or by the 4 first.

If by the -3 first:

-3(n -3)(4)

= (-3n +9)(4)

= -12n +36 -------------answer.

If by the 4 first:

-3(n -3)(4)

= -3(4n -12)

= -12n +36 ----------same as above.