Ответ:
(5х+1,6)(3х-11)=0
15x²-50,2x-17,6=0
D = -50,2²-4·15·(-17,6) = 2520,04+1056 = 3576,04 = 59,8²
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Ответ:
(5х+1,6)(3х-11)=0
15x²-50,2x-17,6=0
D = -50,2²-4·15·(-17,6) = 2520,04+1056 = 3576,04 = 59,8²