What is expand (9-r^3-r^2)/((3r^2-5r+2)^2) ?

The solution to expand (9-r^3-r^2)/((3r^2-5r+2)^2) is (9-r^3-r^2)/(9r^4-30r^3+37r^2-20r+4)

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expand (9-r^3-r^2)/((3r^2-5r+2)^2)

expand

\frac{9 - r ^{3} - r ^{2}}{( 3 r ^{2} - 5 r + 2 ) ^{2}}

\frac{9 - r ^{3} - r ^{2}}{9 r ^{4} - 30 r ^{3} + 37 r ^{2} - 20 r + 4}

Solution steps

\frac{9 - r ^{3} - r ^{2}}{( 3 r ^{2} - 5 r + 2 ) ^{2}}

(3 r^{2} - 5 r + 2)^{2} = 9 r^{4} - 30 r^{3} + 37 r^{2} - 20 r + 4

= \frac{9 - r ^{3} - r ^{2}}{9 r ^{4} - 30 r ^{3} + 37 r ^{2} - 20 r + 4}

(e^{3 t} + 3 e^{3 t} t)^{2}

\frac{10}{s ( s + 5 )}

(y + 6) (y + 2)^{2} d y

5760 \cdot (- 625 s + 188 π^{2} \cdot (3 s + 1280))

((18 \cdot 16 \cdot 0.8) + (23 \cdot, 8 \cdot 12)) \cdot 4

What is expand (9-r^3-r^2)/((3r^2-5r+2)^2) ?
The solution to expand (9-r^3-r^2)/((3r^2-5r+2)^2) is (9-r^3-r^2)/(9r^4-30r^3+37r^2-20r+4)