Question Simplify the expression 28dby1 Evaluate 71÷(dby×4)Use the commutative property to reorder the terms 71÷(4dby)Multiply by the reciprocal 71×4dby1Multiply the terms 7×4dby1Solution 28dby1 Show Solution Find the excluded values d=0,b=0,y=0 Evaluate 71÷(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