SOLUTION: name two integers whose product is -18 and whose difference between the greatest and least is 9

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Question 531095: name two integers whose product is -18 and whose difference between the greatest and least is 9
Answer by oberobic(2304) About Me  (Show Source):
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x and y are two integers.
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x*y = -18
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x-y = 9
x = y+9
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(y+9)*y = -18
y^2 +9y + 18 = 0
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(y+3)(y+6) = 0
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y = -3 or -6, which means x = 6 or 3, respectively
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The ordered pairs would be: (6,-3) or (3,-6)
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Done.