Example

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

Question

$$\left. \begin{array} { l } { = 9 c - d } \\ { ( 2 m n + 7 n p - 3 ) - ( m n + 5 n p - 2 ) } \end{array} \right.$$

Answer

P*(2*m*n+7*n*p-3)-m*n-5*n*p+2

Solution


Remove parentheses.
\[P(2mn+7np-3)-mn-5np+2\]
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