What is expand (28e^{-20s+a})/((s-7)^2) ?

The solution to expand (28e^{-20s+a})/((s-7)^2) is (28e^{-20s+a})/(s^2-14s+49)

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expand (28e^{-20s+a})/((s-7)^2)

expand

\frac{28 e ^{- 20 s + a}}{( s - 7 ) ^{2}}

\frac{28 e ^{- 20 s + a}}{s ^{2} - 14 s + 49}

Solution steps

\frac{28 e ^{- 20 s + a}}{( s - 7 ) ^{2}}

(s - 7)^{2} = s^{2} - 14 s + 49

= \frac{28 e ^{- 20 s + a}}{s ^{2} - 14 s + 49}

\frac{1}{( s + 1 ) ( s ^{2} + 1 )}

(1 + t e^{- t})^{3}

(x - 4) (x - 6) (x - 7) (x + 7)

(x - 2 y - 1) d x + (3 x - 6 y + 2) d y

(2 x + 1) y^{''} (x) + x y

What is expand (28e^{-20s+a})/((s-7)^2) ?
The solution to expand (28e^{-20s+a})/((s-7)^2) is (28e^{-20s+a})/(s^2-14s+49)