Question

2x^7(10x^4+6x^2) Multiply. solve with steps please.

Answer 1

if \[x^{a}.x^{b} = x^{a+b}\]

can you tell what \[x^{7}.x^{4} = ?\]

then do the same with others, also number time number then you will get it

Answer 2

Don't understand it. would it be x^28

Answer 3

no, distribute in....like this a(b+c) = a.b + a.c ...multiply separate terms, if the power are not alike, you cannot add them up

Answer 4

oh so it would be x^11

Answer 5

would the answer be 20x^11+12x^9?

Answer 6

correct!

Answer 7

awesome thanks :)