rebbs04 rebbs04

21-10-2020
Mathematics

contestada

f(x) = x2 – 2x – 15
BRANARE
Why is x=-3 not x=-5

Respuesta :

samkr14 samkr14

21-10-2020

Answer:

x = 5, -3

Step-by-step explanation:

f(x) = x²-2x-15

f(x) = (x-5)(x+3)

x = 5, -3

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