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Popular >

expand (3n+1)^2-(3n-1)^2

Solution

expand

(3 n + 1)^{2} - (3 n - 1)^{2}

Solution

12 n

Solution steps

(3 n + 1)^{2} - (3 n - 1)^{2}

Expand

(3 n + 1)^{2} : 9 n^{2} + 6 n + 1

= 9 n^{2} + 6 n + 1 - (3 n - 1)^{2}

Expand

- (3 n - 1)^{2} : - 9 n^{2} + 6 n - 1

= 9 n^{2} + 6 n + 1 - 9 n^{2} + 6 n - 1

Simplify

9 n^{2} + 6 n + 1 - 9 n^{2} + 6 n - 1 : 12 n

= 12 n

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Frequently Asked Questions (FAQ)

What is expand (3n+1)^2-(3n-1)^2 ?
The solution to expand (3n+1)^2-(3n-1)^2 is 12n