X + 2x^2 + 3x^4 - x^5 by 2x Divide this question

No spam spammers stay away from my questions

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm