What is #(-15xy^4)(-1/3xy^3)#?

1 Answer
Apr 19, 2016

#5x^2y^7#

Explanation:

Given: #(color(red)(-15xy^4))(color(blue)(-1/3xy^3))#

Group like terms:
#color(white)("XXX")=(color(red)(-15))(color(blue)(-1/3))*color(red)(x)*color(blue)(x)*color(red)(y^4)*color(blue)(y^3)#

#color(white)("XXX")=(5) * (x^2) * (y^7)#