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01-03-2021
Mathematics

contestada

Find two integers whose sum is -9 and product is -10

Respuesta :

misky77 misky77

01-03-2021

Step-by-step explanation:

if the two integers are x and y

xy=-10

x+y=-9

x+(-10/x)=-9

x2+9x-10=0

(x-1)(x+10)=0

x=1 or x=-10

if x=1, y=-10

if x=-10, y=1

so the two integers are 1 and -10

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