retanacaro4 retanacaro4

09-06-2020
Mathematics

contestada

Please help . I’ll mark you as brainliest if correct! Only the one marked with an X is wrong . I don’t get it

Please help Ill mark you as brainliest if correct Only the one marked with an X is wrong I dont get it class=

Respuesta :

gonggianna gonggianna

09-06-2020

Answer:

(x+7)² = 9

Step-by-step explanation:

x² + 14x + 40 = 0

(x² + 14x) + 40 = 0

(x² +14x +49) + 40 - 49 = 0

(x+7)² - 9 = 0

(x+7)² = 9

Hope this helps!

Answer Link

jasdul1375 jasdul1375

09-06-2020

Answer:

(x+7)² = 9

Step-by-step explanation:

Answer Link

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