154k views
5 votes
Find a pair of integers whose product is-36 and whose diffence is 15.​

1 Answer

5 votes

Answer:

-3 and 12

OR

3 and -12

Step-by-step explanation:

USE SUBSTITUTION METHOD

xy = -36

y=-36÷x

x-y=15

x- (-36÷x)=15

x^2+36=15x

x=12 or 3

12 or 3 - y=15

y= -3 or -12

The two integers are either 12 and -3 OR -12 and 3

User Mostafa Nawara
by
5.4k points