SOLUTION: Find the polynomial for the perimeter and for the area (of a rectangle of which the long side is b+7, and the short side is b) Thanks!

Question 465764: Find the polynomial for the perimeter and for the area (of a rectangle of which the long side is b+7, and the short side is b)
Thanks!
Answer by kingme18(98) (Show Source): You can put this solution on YOUR website!
Perimeter means to add up all of the sides. Since it's a rectangle, you have 2 sides that have length b + 7, and 2 sides with length b. So, the polynomial is . Simplified, that's 4 b's plus 2 7's: .
Area is length times width, or base times height...basically, one side times the other. So, for you: . Distribute your b and you have .
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