Question

Реши уровнение
(х+3)²-(x+1)²=12

Answer 1

Ответ:

x=1

Объяснение:

(x + 3)^2 - (x + 1)^2 = 12

x^2 + 6x + 9 - (x^2 + 2x + 1) = 12

X^2 + 6x + 9 - x^2 - 2x - 1 = 12

4x + 8 = 12

4x = 12 - 8

4x = 4

x = 1

Answer 2

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