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aflati x: (5^2)^14:25^12-15x(55+x:5)=5^2

semnul ^este la puterea...dau coroana​


Răspuns :

25^14 : 25^12 - 15x (55+x:5) = 25
25^2 - 15 (55+x:5) = 25
15 (55+x:5) = 25•25 - 25
15 (55+x:5) = 625-25
15 (55+x:5) = 600
55 + x:5 = 40 ==> x:5 = -15 ==> x= -3