Wiki User
∙ 13y ago29
Taya Kuphal
Wiki User
∙ 13y agoThink what pairs of positive numbers multiply to give 18. If you find a pair that adds up to 11, just make them both negative and you have your answer.
120
14
45
15
37
They are: -5 and 4
120
the correct answer
43
66
82
23
19
14
22
The two numbers -9 + √89 (≈ 0.434) and -9 - √89 (≈ -18.434)
21