Question 655558: The sum a number and 2 is multiplied by the number and then 3 is subtracted from the result. Express the first result as a polynomial. Answer by jsmallt9(3758) (Show Source):
You can put this solution on YOUR website! A number: x
The sum of a number and 2: x+2
The sum of a number and 2 multiplied by the number: (x+2)*x <== Note the parentheses!
3 subtracted from the sum of a number and 2 multiplied by the number: (x+2)*x-3
Now just simplify.
(x+2)*x-3
Using the Distributive Property to multiply:
None of the remaining tgerms are like terms so we are finished simplifying.
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