Question

how do you expand and simplfy these kind of questions,

3c (c - d)

Answer 1

do you know how to distribute? a(c+d) = ac + ad

Answer 2

no all i know is do to the more simple one where it is like 3(d + 5)

Answer 3

what does that one you wrote equal to?

Answer 4

whish is
3 x d=d3 3x5=15
= d3+15

Answer 5

good now what about this simple one a(b+2)?

Answer 6

a x b= ab i think :/ a x 2= a2
ab=a2

Answer 7

its not equals though its a(b+2) = ab + 2a, which is what you got right?

Answer 8

i got ab and a2
so yh
sorry i was gettin somethin

Answer 9

ok now a(c-d)?