Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$( - 9 x y ) + ( 9 - x y ) =$$

Evaluate

$9-10xy$

Show Solution

Differentiate w.r.t. x

$-10y$

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