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(-7a)*(-4b)

Guest Sep 10, 2017

Best Answer 

 #1
avatar+7181 
+2

    (-7a) * (-4b)

 

=  -7 * a * -4 * b

                                  Multiplication can be done in any order.

=  -7 * -4 * a * b

 

=  28 * a * b

 

=  28ab

hectictar  Sep 10, 2017
 #1
avatar+7181 
+2
Best Answer

    (-7a) * (-4b)

 

=  -7 * a * -4 * b

                                  Multiplication can be done in any order.

=  -7 * -4 * a * b

 

=  28 * a * b

 

=  28ab

hectictar  Sep 10, 2017

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