A. 2x2 – 3x + 8 = 0
B. x2 + x – 6 = 0
C. 3x2 – 4x + 3 = 0
D. -5x2 + 7x – 12 = 0
E. -6x2 – 12x – 5 = 0
B. x2 + x – 6 = 0 <--------------------(x+3)(x-2)
A letra "D"
Comments
A. 2x2 – 3x + 8 = 0
B. x2 + x – 6 = 0 <--------------------(x+3)(x-2)
C. 3x2 – 4x + 3 = 0
D. -5x2 + 7x – 12 = 0
E. -6x2 – 12x – 5 = 0
A letra "D"