Question

In the synthetic-division problem shown below, what number belongs in the place of the question mark?

-1 II 1 3 -5 7
-3 [] ?
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1 2 [] []

Answer 1

for the one on the top line it is \(-2\) because \(-1\times 2=-2\)

Answer 2

for the next line it is \(-5-2=-7\)