ramoskarla585 ramoskarla585

04-03-2021
Mathematics

contestada

how to find the sum of root for this? ASAP pls

how to find the sum of root for this ASAP pls class=

Respuesta :

ADVENTUROUSBOY ADVENTUROUSBOY

04-03-2021

9

Step-by-step explanation:

x² - 9x = 36

x² - 9x - 36 = 0

x² + 3x - 12x - 36 = 0

x ( x + 3 ) - 12 ( x + 3 )

( x - 12 ) ( x + 3 )

x = 12, -3

sum = 12 + (-3)

= 12 - 3

= 9

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