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get the remainder by long division method and then add two to the remainder
allyy:
I don't understand
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let the no. be a
and difference of 2x²-5x and a be b
so,it means 2x² -5x-a=b
so,when b is divided by 2x+1
then remainder will 2(according to question)
so,b=2(2x+1)
= 4x+2
if 2x²-5x-a=b
so,2x²-5x-a=4x+2
-a=4x+2-2x²+5x
-a=9x-2x²+2
a=2x²-9x-2......Answer
and difference of 2x²-5x and a be b
so,it means 2x² -5x-a=b
so,when b is divided by 2x+1
then remainder will 2(according to question)
so,b=2(2x+1)
= 4x+2
if 2x²-5x-a=b
so,2x²-5x-a=4x+2
-a=4x+2-2x²+5x
-a=9x-2x²+2
a=2x²-9x-2......Answer
welcome
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