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What two numbers equal 13 but when multiplied equal -90?

Anonymous

∙ 14y ago

Updated: 9/17/2023

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Danika Abbott ∙

Lvl 10

∙ 4y ago

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More answers

x + y = 13

xy = -90

y = 13-x

xy = x (13-x) = -90

13x -x^2 = -90

x^2-13x-90 = 0

(x-18)(x+5) = 0

x = 18 y = -5

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∙ 14y ago

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