Question

Find two numbers whose product is -40, and whose sum is 3

Answer 1

well; (2+n) + (1-n) = 3

(2+n)(1-n) = -40 ... solve for n to determine the numbers ....

Answer 2

6?

Answer 3

6 feels good ... 8-5 = 3, and 8(-5) = -40

Answer 4

And -7 for the first part?

Answer 5

(2+n) + (1-n) = 3
6 6
8 + (-5) = 3, is good


(2+n)(1-n) = -40
6 6
8 (-5) = -40

this is a method that some guy in greece used ... i think his name was diophantus