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Adonis Herman

Lvl 10
3y ago
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Wiki User

14y ago

Let x equal first number and let y = second number

xy= -70

x + y = 2

x = 2-y

(2-y)y = -70

2y - y^2 = -70

-2y + y^2 = 70

solve for y using quadratic formula: y = -b+/-root(b^2-4ac)

y = 9.426

x = -7.426

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Q: What two numbers multiply to- 70 and add to 2?
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