Answer: the numbers that multiply to -18 and add to 9 are 3 and -6.
Step-by-step explanation:
To find two numbers that multiply to -18 and add to 9, we can start by listing all the possible pairs of numbers that multiply to -18.
The pairs of numbers that multiply to -18 are:
-1 and 18
1 and -18
-2 and 9
2 and -9
-3 and 6
3 and -6
Next, we check which of these pairs of numbers add up to 9.
The pair that adds up to 9 is 3 and -6.
Therefore, the numbers that multiply to -18 and add to 9 are 3 and -6.