jacobsmithbro13 jacobsmithbro13

30-07-2020
English

contestada

The sum of a number squared and two times that number minus one is zero.

Respuesta :

Kavyab12 Kavyab12

30-07-2020

Answer:

n = -1

Explanation:

(n^2 + 2n) - 1 = 0

n^2 + 2n = -1

solve

n = -1

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