Question

(3x-14)^2=(3x+2)^2 помогите решить

Answer 1

(3x-14)^2=(3x+2)^29X^2-84x+196 = 9x^2+12x+496x=192x=2

Answer 2

9x^2-84x+196=9x^2+12x+4
-96x=-192
x=2

Answer 3

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