式の展開3

[0]9( X +12 )( X -11)=

9X2 +9X -1188

[1]3( X -4 )( X -2)=

3X2 -18X +24

[2]6( X +5 )( X -9)=

6X2 -24X -270

[3]6( X -3 )( X +7)=

6X2 +24X -126

[4]6( X -11 )( X +1)=

6X2 -60X -66

[5]6( X -12 )( X +10)=

6X2 -12X -720

[6]7( X -2 )( X -11)=

7X2 -91X +154

[7]9( X +9 )2=

9X2 +162X +729

[8]4( X -6 )( X +2)=

4X2 -16X -48

[9]5( X -6 )( X -1)=

5X2 -35X +30




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