[tex]bonjour\\\\\\E = 3 ( x^{2} - 10 x + 25 ) - 2 x + 12 \\E = 3 x^{2} - 30 x + 75 - 2 x + 12 \\E = 3 x^{2} - 32 x + 87 \\\\F = - 13 ( 2 x + 7 ) + 3 ( x - 1 )^{2} + 4 \\F = -26 x - 91 +3x^{2} - 6 x +3+4\\F = 3x^{2} -32x -87[/tex]