Ответы на вопрос:
3* ( y - 3 ) = x + 2 ; x ≠ - 2 3y - 9 = x + 2 x = 3y - 9 - 2 x = 3y - 11 y * ( 3y - 11 ) + 3 * ( 3y - 11 ) + 4y = 0 3y^2 - 11y + 9y - 33 + 4y = 0 3y^2 + 2y - 33 = 0 d = 4 + 396 = 400 ; √ d = 20 y1 = ( - 2 + 20 ) : 6 = 3 y2 = ( - 22 ) : 6 = - 3 ( 2/3 ) x = 3y - 11 x1 = 9 - 11 = - 2 ( не подходит ) x2 = 3 * ( 11/3 ) - 11 = 11 - 11 = 0 ответ ( 0 ; - 3 ( 2/3 ))
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