can someone help me again cx?

simplify: a(x+y)-a(x-y)

(a) 2ax
(b) 2ay
(c) ax+ay
(d) 2ax-2ay

Question

can someone help me again cx?  

simplify: a(x+y)-a(x-y)

(a) 2ax
(b) 2ay
(c) ax+ay
(d) 2ax-2ay

mrnood · Answer

you can tkae the factor 'a' out of each term and that leaves the following:

a[(x+y)-(x-y)]
work out the value inside the square brackets first....

mrnood · Answer

(x+y)-(x-y)

what does this work out to be?

anonymous · Answer

ughhhh idk :( i don't understand this math

mrnood · Answer

You never will unless you try

(x+y) - (x-y) =??

just be careful about the MINUS sign but work out that expression....

anonymous · Answer

it is D

mrnood · Answer

@suppa_lova 
do not give direct answers - especially when they are wrong

anonymous · Answer

it isn't wrong

mrnood · Answer

yes it is

mrnood · Answer

@suppa_lova You have not dealt correctly with the minus sign (as I warned above)

anonymous · Answer

did you factor in the a at the beginning of each