How do you multiply #(5x ^ { 2} ) ( 4x ^ { 9} ) ( - x ^ { 4} )#?

1 Answer
Meave60
Mar 5, 2017

The answer is #-20x^15#.
See the explanation for instructions.

Explanation:

Multiply:

#(5x^2)(4x^9)(-x^4)#

Since all of the variables are the same, you can apply the product rule of exponents #a^ma^n=a^((m+n))#.

#-20x^((2+9+4))=#

#-20x^15#

Related questions
Impact of this question
386 views around the world
You can reuse this answer
Creative Commons License