7x 4 2 x 5 )= 8 x 1 July 8, 2019 16 32 64 128 Determinaţi soluţiile ecuaţiilor a 7x + 4 + 2x-5 = 8 x + 1 X 5 7x 4 3x 2 8 x 2 3x 1 5 x 7 = 35 7 ⋅ ( x − 4 ) = 5 ⋅ ( x − 2 ) (7x ^ 2 - 4x + 8) - (4x ^ 2 + x - 5)