What is expand (l,m,n)(1,-4,-2) ?

The solution to expand (l,m,n)(1,-4,-2) is 1*(,,lmn),-4(,,lmn),-2(,,lmn)

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expand (l,m,n)(1,-4,-2)

expand

(l, m, n) (1, - 4, - 2)

1 \cdot (,, l mn), - 4 (,, l mn), - 2 (,, l mn)

Solution steps

(l, m, n) (1, - 4, - 2)

= (1, - 4, - 2) (,, l mn)

Distribute parentheses

= (l, m, n) \cdot 1, (l, m, n) (- 4,) + (l, m, n) (- 2)

Apply minus-plus rules

+ (- a) = - a

= 1 \cdot (,, l mn), - 4 (,, l mn), - 2 (,, l mn)

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\frac{x ^{3}}{( 1 + x ^{4} ) ^{2}}

\frac{y ( y - 3 )}{y - 2}

What is expand (l,m,n)(1,-4,-2) ?
The solution to expand (l,m,n)(1,-4,-2) is 1*(,,lmn),-4(,,lmn),-2(,,lmn)