prettypineapple2009 prettypineapple2009

02-04-2022
Mathematics

contestada

Compare to 0:
-x^2 + 10x - 25

Compare to 0 x2 10x 25 class=

Respuesta :

zarampa zarampa

02-04-2022

Answer:

x = 5

Step-by-step explanation:

-x² + 10x - 25 = 0

x = {-10±√((10²)-(4*-1*-25) / (2*-1)

x = {-10±√(100-100)} / -2

x = {-10)/-2

x = 5

Comprobación:

- (5²) + 10*5 - 25 = 0

-25 + 50 - 25 = 0

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