Question
Simplify the expression
dbyplus9dbyplus−x
Evaluate
3×3−3x×3÷(dby×3plus×3)
Multiply
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Multiply the terms
dby×3plus×3
Multiply the terms
dby×9plus
Use the commutative property to reorder the terms
9dbyplus
3×3−3x×3÷(9dbyplus)
Multiply the numbers
9−3x×3÷(9dbyplus)
Multiply the terms
9−9x÷(9dbyplus)
Divide the terms
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Evaluate
9x÷(9dbyplus)
Rewrite the expression
9dbyplus9x
Divide the terms
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Evaluate
99
Reduce the numbers
11
Calculate
1
dbyplusx
9−dbyplusx
Reduce fractions to a common denominator
dbyplus9dbyplus−dbyplusx
Solution
dbyplus9dbyplus−x
Show Solution

Find the excluded values
d=0,b=0,y=0,p=0,l=0,u=0,s=0
Evaluate
3×3−3x×3÷(dby×3plus×3)
To find the excluded values,set the denominators equal to 0
dby×3plus×3=0
Multiply
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Evaluate
dby×3plus×3
Multiply the terms
dby×9plus
Use the commutative property to reorder the terms
9dbyplus
9dbyplus=0
Evaluate
dbyplus=0
Separate the equation into 7 possible cases
d=0b=0y=0p=0l=0u=0s=0
Solution
d=0,b=0,y=0,p=0,l=0,u=0,s=0
Show Solution
