answersLogoWhite

0


Best Answer

-29

User Avatar

Cedrick Olson

Lvl 10
3y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

12y ago

XY= -45

X+Y = 16

Y = 16-X

X(16-X) = -45

16X -X2 + 45 = 0

multiply both sides by -1

x2 -16X - 45 = 0

use quadratic formula

x =(16+/-sqrt(256+180))/2

x = 18.44 and -2.44

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What times what equals -45 and adds up to 16?
Write your answer...
Submit
Still have questions?
magnify glass
imp