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Popular >

simplify (4n+5)^2-9

Solution

simplify

(4 n + 5)^{2} - 9

Solution

16 n^{2} + 40 n + 16

Solution steps

(4 n + 5)^{2} - 9

Expand

(4 n + 5)^{2} : 16 n^{2} + 40 n + 25

= 16 n^{2} + 40 n + 25 - 9

Subtract the numbers:

25 - 9 = 16

= 16 n^{2} + 40 n + 16

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Frequently Asked Questions (FAQ)

What is (4n+5)^2-9 ?
The solution to (4n+5)^2-9 is 16n^2+40n+16