Respuesta :

adeyanjumoyosore17

Answer:

x=18

x= -2

Step-by-step explanation:

x square-7

(_5) x(_5) _7

-5 x-5 _7

25_7

=18

x+3

-5+3

= -2

X=18

X=-2

Step-by-step explanation:

if x = -5, so

Replace 5 here:

x² - 7= (-5)² - 7= 25 - 7 = 18

X+3= -5 +3 = - 2

Hope this helps..

Good Luck

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