Question

Simplify 6k2(3k3 + 6k2 – 7k + 4)

Answer 1

6k2 * every thing else but i get stuck with the signs

Answer 2

look at the first term: \[6k ^{2}3k ^{3}=?\]use the formula\[x ^{a}x ^{b}=x ^{a+b}\]what do you get?

Answer 3

9k5

Answer 4

close, but we are multiplying, so we need the coefficient to be \[6\times3\]so it should be...?

Answer 5

my problem is signs i get alot of answers wrong because of it

oh my bad is 18k5

Answer 6

good
for signs just remember
negative times negative is postive
positive times positive is positive
negative tims positive is negative
so it is only negative if the signs are DIFFERENT
what do you have as a final answer?