Question
Simplify the expression
726b
Evaluate
73b×9−71b×1
Multiply the terms
More Steps

Multiply the terms
73b×9
Multiply the terms
More Steps

Evaluate
73×9
Multiply the numbers
73×9
Multiply the numbers
727
727b
727b−71b×1
Multiply the terms
727b−71b
Collect like terms by calculating the sum or difference of their coefficients
(727−71)b
Solution
More Steps

Evaluate
727−71
Write all numerators above the common denominator
727−1
Subtract the numbers
726
726b
Show Solution

Find the roots
b=0
Evaluate
73b×9−71b×1
To find the roots of the expression,set the expression equal to 0
73b×9−71b×1=0
Multiply the terms
More Steps

Multiply the terms
73b×9
Multiply the terms
More Steps

Evaluate
73×9
Multiply the numbers
73×9
Multiply the numbers
727
727b
727b−71b×1=0
Multiply the terms
727b−71b=0
Subtract the terms
More Steps

Simplify
727b−71b
Collect like terms by calculating the sum or difference of their coefficients
(727−71)b
Subtract the numbers
More Steps

Evaluate
727−71
Write all numerators above the common denominator
727−1
Subtract the numbers
726
726b
726b=0
Solution
b=0
Show Solution
