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Nikolai Weber
Mathematics
15 July, 21:47
Two numbers add to be 5 multiply to be - 6
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Chambers
15 July, 22:16
0
-1, 6
Step-by-step explanation:
x + y = 5
xy = - 6
Take first equation and rewrite it. y = - x + 5
Then substitute the new equation in the second one.
x (-x + 5) = - 6
-x^2 + 5x + 6 = 0
Divide by - 1
x^2 - 5x - 6
(x + 1) (x - 6) = 0
x = - 1, 6
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