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3 years ago

12

PLZZ HELP!

1 answer:

andreev551 [17]3 years ago

7 0

(2•x•2 + 5•x – 3 = 0) D = 81
(x•2 + 7•x + 2 = 0) D = [-2/9]
(3•x•2 - 12•x + 12 = 0) D = 36
(5•x•2 – 2•x – 11 = 0) D = 64
(x•2 – 5•x + 8 = 0) D = 9

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