What is expand (n(5n-7))/((n+1)^2) ?

The solution to expand (n(5n-7))/((n+1)^2) is (5n^2-7n)/(n^2+2n+1)

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expand (n(5n-7))/((n+1)^2)

expand

\frac{n ( 5 n - 7 )}{( n + 1 ) ^{2}}

\frac{5 n ^{2} - 7 n}{n ^{2} + 2 n + 1}

Solution steps

\frac{n ( 5 n - 7 )}{( n + 1 ) ^{2}}

(n + 1)^{2} = n^{2} + 2 n + 1

= \frac{n ( 5 n - 7 )}{n ^{2} + 2 n + 1}

Expand

n (5 n - 7) : 5 n^{2} - 7 n

= \frac{5 n ^{2} - 7 n}{n ^{2} + 2 n + 1}

\frac{K}{s ^{2} \cdot ( s t + 1 )}

(e^{t c o s (x)} (t) - e^{t s i n (x)} (t))^{2}

2 ((3, - 4, 5, 0, 0) - 5 (4, 8, - 2, - 1, 3) + (- 4, 7, - 5))

\frac{sec ( x )}{2 sin ( x )}

\frac{( x + 3 ) ^{2}}{x - 5}

What is expand (n(5n-7))/((n+1)^2) ?
The solution to expand (n(5n-7))/((n+1)^2) is (5n^2-7n)/(n^2+2n+1)