lawrencenichols lawrencenichols

15-11-2021
Mathematics

contestada

0=x^2-10x+30 by completing the square

Respuesta :

rugileaugustinaite rugileaugustinaite

15-11-2021

Answer:

15 and -5

Step-by-step explanation:

D=(-10)^2-4*30*1=100-120=-20

x1=(10+20):2=15

x2=(10-20):2=-5

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