What is expand (12(-6x^2+7))/((6x^2+7)^2) ?

The solution to expand (12(-6x^2+7))/((6x^2+7)^2) is (-72x^2+84)/(36x^4+84x^2+49)

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expand (12(-6x^2+7))/((6x^2+7)^2)

expand

\frac{12 ( - 6 x ^{2} + 7 )}{( 6 x ^{2} + 7 ) ^{2}}

\frac{- 72 x ^{2} + 84}{36 x ^{4} + 84 x ^{2} + 49}

Solution steps

\frac{12 ( - 6 x ^{2} + 7 )}{( 6 x ^{2} + 7 ) ^{2}}

(6 x^{2} + 7)^{2} = 36 x^{4} + 84 x^{2} + 49

= \frac{12 ( - 6 x ^{2} + 7 )}{36 x ^{4} + 84 x ^{2} + 49}

Expand

12 (- 6 x^{2} + 7) : - 72 x^{2} + 84

= \frac{- 72 x ^{2} + 84}{36 x ^{4} + 84 x ^{2} + 49}

(1 + \frac{2 x}{n})^{3} (\frac{2}{n})

(2 + ln (x))^{2}

8 (3)^{2} + 97 (3) + 12

\frac{( ( 1 ) )}{x ( x ^{2} + a ^{2} )}

\frac{( 3 x ^{2} y ^{2} + 6 a x ^{3} )}{- 3 x ^{2}}

What is expand (12(-6x^2+7))/((6x^2+7)^2) ?
The solution to expand (12(-6x^2+7))/((6x^2+7)^2) is (-72x^2+84)/(36x^4+84x^2+49)