Question
Simplify the expression
81a2b−81ab2
Evaluate
(21a×21b)(21a−21b)
Remove the parentheses
21a×21b(21a−21b)
Multiply the terms
More Steps

Evaluate
21×21
To multiply the fractions,multiply the numerators and denominators separately
2×21
Multiply the numbers
41
41ab(21a−21b)
Apply the distributive property
41ab×21a−41ab×21b
Multiply the terms
More Steps

Evaluate
41ab×21a
Multiply the numbers
More Steps

Evaluate
41×21
To multiply the fractions,multiply the numerators and denominators separately
4×21
Multiply the numbers
81
81aba
Multiply the terms
81a2b
81a2b−41ab×21b
Solution
More Steps

Evaluate
41ab×21b
Multiply the numbers
More Steps

Evaluate
41×21
To multiply the fractions,multiply the numerators and denominators separately
4×21
Multiply the numbers
81
81ab×b
Multiply the terms
81ab2
81a2b−81ab2
Show Solution

Factor the expression
81ab(a−b)
Evaluate
(21a×21b)(21a−21b)
Remove the parentheses
21a×21b(21a−21b)
Multiply the terms
More Steps

Evaluate
21×21
To multiply the fractions,multiply the numerators and denominators separately
2×21
Multiply the numbers
41
41ab(21a−21b)
Factor the expression
41ab×21(a−b)
Solution
81ab(a−b)
Show Solution
