Easy Algebra Step-by-Step

Algebraic Expressions 73

For 16–20, simplify by removing parentheses.

16. −−⎝⎛⎝⎛⎛⎝ + ⎞⎠⎟⎞⎞⎠⎠

1

2

xy^32373 xy^3 − 0

17. 
    

    () 8 ab^3336644

    
    


18. 
    

    − 4 −()(−

    
    


19. 
    

    − (^3) ()( +

    
    


20. 
    

    12 +()^222 ++