Jennifercooper126 Jennifercooper126

26-03-2020
Mathematics

contestada

One number is 4 more than another. Their product is −4.

Respuesta :

shejladautovic shejladautovic

26-03-2020

Answer:

2 and -2

Step-by-step explanation:

Lets x be one number and u other number:

U=4+x ( u is 4 more than x)

X*u=-4 (their product is -4)

x*(x+4)=-4

X^2+4x+4=0

(X+2)^2=0

x=-2

U=4+(-2)=4-2=2

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