What is (sqrt(n)-sqrt(7))(sqrt(n)+3sqrt(7)) ?

The solution to (sqrt(n)-sqrt(7))(sqrt(n)+3sqrt(7)) is n+2sqrt(7)sqrt(n)-21

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simplify (sqrt(n)-sqrt(7))(sqrt(n)+3sqrt(7))

simplify

(n - 7) (n + 37)

n + 27 n - 21

Solution steps

(n - 7) (n + 37)

Apply FOIL method

(n - 7) (n + 37) : n + 27 n - 21

= n + 27 n - 21

3 (u v^{3} + w^{4})^{2} + (u + v e^{w})^{4}

\frac{x ^{2} + 3 x + 4}{( x + 2 ) ^{3}}

(a + b)^{4}

(1 - x^{2}) d x

(i - 4)^{6}

What is (sqrt(n)-sqrt(7))(sqrt(n)+3sqrt(7)) ?
The solution to (sqrt(n)-sqrt(7))(sqrt(n)+3sqrt(7)) is n+2sqrt(7)sqrt(n)-21