... 45)2. Cng hai a thc mt bin: 1. Cng hai a thc mt bin: 3. Bi tp: Tieỏt 60Bi 8. CONG, TRệỉ ẹA THệC MOT BIEN Bi tp1: Cho hai a thc:M(x) = x4 + 5x3 x2 + x 0,5N(x) = 3x4 5x2 ... x5 2x2 + 1 - x4 + 3x2 - + x12= x5 - x4 + x2 + x + Tieỏt 60Bi 8. CONG, TRệỉ ẹA THệC MOT BIEN 2. Cng hai a thc mt bin: 1. Cng hai a thc mt bin: 3. Bi tp: Bi tp 3: Chn a thc ... (3x2 + 4x 1)= 2x3 2x + 1 3x2 4x + 1= 2x3 3x2 6x + 2 Tieỏt 60Bi 8. CONG, TRệỉ ẹA THệC MOT BIEN 2. Cng hai a thc mt bin: 1. Cng hai a thc mt bin: 3. Bi tp: Bi tp 3: Chn a thc...