X3+3X2+3X+1 BY 2X+5
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Step-by-step explanation:
apply remainder theroem
5+2x = 0
2x = -5
x = 5/2
replace x by -5/2,we get
x3+3x2+3x+1
(-5/2)3+3(-5/2)2+3(-5/2)+1
-125/8+75/4-15/2+1
(-125+150-60+8)/125
-27/8
therefore the remainder is -27/8
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