What is expand l((6t-9)u(t-2)) ?

The solution to expand l((6t-9)u(t-2)) is 6lt^2u-21ltu+18lu

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expand l((6t-9)u(t-2))

expand

l ((6 t - 9) u (t - 2))

6 l t^{2} u - 21 lt u + 18 l u

Solution steps

l ((6 t - 9) u (t - 2))

Remove parentheses:

(a) = a

= l (6 t - 9) u (t - 2)

= l u (6 t - 9) (t - 2)

Expand

(6 t - 9) (t - 2) : 6 t^{2} - 21 t + 18

= l u (6 t^{2} - 21 t + 18)

Expand

l u (6 t^{2} - 21 t + 18) : 6 l t^{2} u - 21 lt u + 18 l u

= 6 l t^{2} u - 21 lt u + 18 l u

\frac{1}{( s + 4 ) ( s ^{2} )}

C (2, - 5) 4

\frac{1}{( s + 20 ) ^{2}}

22 \frac{9 c}{5} + 32

\frac{( n + 1 ) ^{3} !}{( n ! ) ^{3}}

What is expand l((6t-9)u(t-2)) ?
The solution to expand l((6t-9)u(t-2)) is 6lt^2u-21ltu+18lu