Verified Answer :

Willchemistry

3 a ( 8a - 8 ) :

Distributive  parentheses using: a (  b + c ) = ab + ac

Apply minus - plus rules

+(-a) = -a 

= 3a 8 a -  3 a 8


= 24 a² -  24 a

hope this helps!

Solutions 

1) Distribute 

3a×8a+3a×−8 

2) Gather like terms

3×8a×a+3a×−8 

3) Simplify 3×8a×a to 24a²

24a²+3a×−8

4) Simplify 3a×−8 to −3a×8

24a²+−3a×8 

5) Simplify 3a×8 to 24a

24a²−24a

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