breezer20042
27.01.2021 •
Mathematics
Nine times the sum of a number and 6 equals 7. nown number
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Ответ:
Ответ:
(xy + x)(xy + x) - perfect square
(2x-3)(-3+2x) - not a perfect square
(16- x²)(x2 – 16) - not a perfect square
(4y? +25)(25+4y?) - not a perfect square