Question Simplify the expression dby21 Evaluate 84÷(dby×4)Use the commutative property to reorder the terms 84÷(4dby)Rewrite the expression 4dby84Solution More Steps Evaluate 484Reduce the numbers 121Calculate 21 dby21 Show Solution Find the excluded values d=0,b=0,y=0 Evaluate 84÷(dby×4)To find the excluded values,set the denominators equal to 0 dby×4=0Use the commutative property to reorder the terms 4dby=0Evaluate dby=0Separate the equation into 3 possible cases d=0b=0y=0Solution d=0,b=0,y=0 Show Solution