Question

Show your work!

If the length of a rectangle in terms of x is x² + 2x – 3, and its width is 2x2 + 3x + 5,
what is the perimeter of this rectangle? Don't leave any spaces
in
your
solutions.
Perimeter: units

Answer 1

answer is 20+12x^6

Explanation:

Multiply x^2+2x-3 by 2

length equals 2x^4+4x-6

simplify. 6x^5-6

multiply 2x2+3x+5 by 2

width equals 4x4+6x+10

simplify. 16+6x+10

simplify again. 26+6x

add length and width- 20+12x^6