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What two numbers multiply to give you negative 40 and add to give you negative 20?
Updated: 10/23/2022
Wiki User
∙ 15y agoBest Answer
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Helmer Homenick
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∙ 3y agoThis answer is:
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∙ 15y agox *y=-40 x+y=-20 Subtract y from both sides of the second equation and you get:
x=-20-y
replace x in the first equation with this value and you get:
(-20-y)*y=-40
or
-20y -y^2 = -40
0 = y^2 +20y -40
Now use the quadratic formula to solve for y.
(I won't do the rest of your homework.)
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