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27-11-2022
Mathematics

contestada

45 a. 6x²-5x=...xx-... xx=(...-...) xx
b.49y2 + 14y= 7yx... +7yx... = 7y(...+...).
c. 9n²-6n = 3nx...-...X... = 3n(... - ...)
d.8t² + 6t+2=2x...+2x... + 2x... = 2x (...) recopier chaque égalité en la complétant

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