How do you simplify #(13xy^22) ( -3y)#?

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Answer 1 · 2015-05-07T00:25:56

The answer is #-39xy^23#.

Simplify #(13xy^22)(-3y)# .

Put like terms together.

#13xx-3xxy^22y#

Apply the product rule to exponents. #x^ax^b=x^(a+b)#

#13xx-3xy^(22+1)# =

#13xx-3xy^23#

Multiply 13 x -3.

#13xy^22xx-3# =

#-39xy^23#