Question

x+400=7^2

Answer 1

x+400=7^2

x+400=49

x=49-400

x=-351

Answer 2

\(x+400=49\)

\(x=49-400=-351\)

ai đồng ý thì tích nhae

làm ơn ơn ơn

Answer 3

x + 400 = 7²

x + 400 = 49

          x = 49 - 400

          x = -351

Answer 4

x+400=7^2

x=49-400

x=351.

Answer 5

lộn x+400=7^2

x=49-400

x=-351.

Answer 6

x + 400 =7²

x + 400 = 49

x = 49 - 400

x = -351