( X2 – 2X + 3 )( 2 X – 5 ) B

1. - DE CUONG ON THI TOAN 8 HK1 CO DAP AN
Toán DE CUONG ON THI TOAN 8 HK1 CO DAP AN

1. Làm tính nhân:

1

a. ( x

2

– 2x + 3 )(

2 x – 5 ) b. ( x

3

– 2x

2

+ x – 1)( 5 – x )