427,177 views
30 votes
30 votes
What 2 numbers multiply to -30 and add to 1

User Tomas Petricek
by
2.4k points

1 Answer

12 votes
12 votes

First, lets see all the ways we can write -30 as a product of two integers:

notice that with the last row, we have the following:


\begin{gathered} (-5)\cdot(6)=-30 \\ -5+6=1 \end{gathered}

therefore, -5 and 6 multiply to -30 and add to 1

What 2 numbers multiply to -30 and add to 1-example-1
User Daniel Mabinko
by
2.9k points