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Let p(x)=x³+3x²+3x+1
We need to divide p(x) by 2x+5
Put 2x+5=0
We get
Put this value in p(x)
So, p(-5/2)=(-5/2)³+3(-5/2)²+3(-5/2)+1
=-125/8 + 75/4 -15/2 +1= (-125+150-60+8)/8= -27/8 which is the remainder
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