How do you simplify #-20 a^2b(-2abc)?#

1 Answer
Jun 9, 2018

#= +40a^3b^2c#

Explanation:

Multiply the factor outside the bracket by the factor inside the bracket.

  • multiply the signs: (negative x negative = positive)
  • multiply the numbers
  • add the indices of bases that are the same

#-20a^2b xx -2abc#

#= +40a^3b^2c#