Example

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

Question

$$(-7\times(-5); x(-8)x+1; )$$

Answer

-7*-5;x*-8*x+1;

Solution


Remove parentheses.
\[\begin{aligned}&-7\times -5\\&x\times -8x+1\\&\end{aligned}\]
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