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imi rezolvati b) va rog​

Imi Rezolvati B Va Rog class=

Răspuns :

[tex]b)e(x) = (2 - 3x) {}^{2} + (5x - 3) {}^{2} + (4x - 1)(4x + 1) = 4 - 12x + 9x {}^{2} + 25x {}^{2} - 30x + 9 + 16x {}^{2} - 1 = 12 - 42 + 50x {}^{2} = 50x {}^{2} - 42x + 12[/tex]