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Popular >

expand (9b-1)(9b+1)

Solution

expand

(9 b - 1) (9 b + 1)

Solution

81 b^{2} - 1

Solution steps

(9 b - 1) (9 b + 1)

Apply Difference of Two Squares

(9 b - 1) (9 b + 1) : 81 b^{2} - 1

= 81 b^{2} - 1

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Frequently Asked Questions (FAQ)

What is expand (9b-1)(9b+1) ?
The solution to expand (9b-1)(9b+1) is 81b^2-1