What is expand (9nx^2(n-1))/2 ?

The solution to expand (9nx^2(n-1))/2 is (9n^2x^2)/2-(9nx^2)/2

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expand (9nx^2(n-1))/2

expand

\frac{9 n x ^{2} ( n - 1 )}{2}

\frac{9 n ^{2} x ^{2}}{2} - \frac{9 n x ^{2}}{2}

Solution steps

\frac{9 n x ^{2} ( n - 1 )}{2}

Expand

9 n x^{2} (n - 1) : 9 n^{2} x^{2} - 9 n x^{2}

= \frac{9 n ^{2} x ^{2} - 9 n x ^{2}}{2}

Apply the fraction rule:

\frac{a \pm b}{c} = \frac{a}{c} \pm \frac{b}{c}

\frac{9 n ^{2} x ^{2} - 9 n x ^{2}}{2} = \frac{9 n ^{2} x ^{2}}{2} - \frac{9 n x ^{2}}{2}

= \frac{9 n ^{2} x ^{2}}{2} - \frac{9 n x ^{2}}{2}

64 + 8 X 3

3 (x + 7 = 45)

5 (2 e - 8) + e

, 3 x^{2} (x + 3) + 5 x^{2} (x + 6) (3 x - 4)

\frac{3 a}{( a + 1 ) ^{3}}

What is expand (9nx^2(n-1))/2 ?
The solution to expand (9nx^2(n-1))/2 is (9n^2x^2)/2-(9nx^2)/2