Answer :

Column I


1. The difference of 3 and a number squared


let n be the number


3-n2


2. 5 less than twice a number squared


let n be the number


2n2 - 5


3. Five minus twice the square of a number


let n be the number


5 – 2n2


4. Four minus a number multiplied by 2


let x be the number


4 – 2x


5. Seven times the sum of a number and 1


let n be the number


7(n+1)


6. A number squared plus 6


let n be the number


n2+6


7. 2 times the sum of a number and 6


2(n+6)


8. Three less than the square of a number


n2 – 3


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