Question

Find the reminder when 12xxx-13xx-5x+7 is divided by 2+3x

Answer 1

2+3X=0
3X=0-2
3X=-2
X= -2/3

12X cube -13X square - 5X + 7
12*-2/3 - 13*-2/3 - 5*-2/3+7
-8+ 26/3+ 10/3 +7
-8*3/1*3 + 26/3 +10/3 + 7*3/1*3
(-24+26+10+21)/3
33/3 = 11 is the answer

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