Question Simplify the expression 40dby39 Evaluate 39÷(dby×40)Use the commutative property to reorder the terms 39÷(40dby)Solution 40dby39 Show Solution Find the excluded values d=0,b=0,y=0 Evaluate 39÷(dby×40)To find the excluded values,set the denominators equal to 0 dby×40=0Use the commutative property to reorder the terms 40dby=0Evaluate dby=0Separate the equation into 3 possible cases d=0b=0y=0Solution d=0,b=0,y=0 Show Solution