Question

因式分解填空3mx-6nx^2；4a^2b+10ab-2ab^21-2x=+( )；-x-2=-( )；-x^2+2x+

Answer 1

3mx-6nx^2=3X(m-2xn)

4a^2b+10ab-2ab^2=2ab(a+5-b)

1-2x=+(-2X+1)；-x-2=-( X+2 )；-x^2+2x+1=-( x^2-2x-1 )

3a^3-2a^2+a=a( 3a^2-2a+1 )；-6p^3-10p^2+2p=-2p( 3p^2+5p+1 )