Choose the product
-6p^3(3p^2 + 5p - 1)
A.18p^5- 30p^4+ 6p^3
B.-18p^6- 30p^3- 6p
C.18p^3+ 6p^2- 30p^4
D.-18p^6- 24p^3

Question

Choose the product
-6p^3(3p^2 + 5p - 1)
A.18p^5- 30p^4+ 6p^3
B.-18p^6- 30p^3- 6p
C.18p^3+ 6p^2- 30p^4
D.-18p^6- 24p^3

tkhunny · Answer

(-6p^3)(3p^2) = -18p^5

So, A, B, C, and D and C are our of the running.

Where does that leave us?

anonymous · Answer

what did you do with the +5p-1?

tkhunny · Answer

I ignored them.  The first term is not among the options, so I didn't care if the other two terms were there.

anonymous · Answer

but don't you multiply the two exponets?

tkhunny · Answer

$(a^2)(a^3) = a^5 \ne a^{6}$

anonymous · Answer

then it has to be A?

tkhunny · Answer

No, A is incorrect.  The sign of the first term is incorrect.  Did you copy it correctly?

anonymous · Answer

yes

tkhunny · Answer

Then there is no correct answer.  "A" is compelling, but not quite there.  "A" it the only one with the right number of terms and the right exponents.  Still wrong.