Question

Find two numbers whose sum equals 7 and whose product equals 8. Give 2 possible answers.

Answer 1

x+y=7
xy = 8
... nenand got this!

Answer 2

I have troubles with posting :(

Answer 3

-1 and 8

Answer 4

x + y = 7
xy = 8
-> x ( 7 - x) = 8
-> x^2 - 7x + 8 = 0
=> x = (7 +/- V17) / 2

Answer 5

x = 5.56, 1.44