A rectangle has sides of 3x+5 and 5x-2. Give the polynomial that represents its perimeter.
2 answers
16x+6.
Process:
2(3x+5) + 2(5x-2) = 6x + 10 + 10x - 4 = 16x+6
2(3x+5) + 2(5x-2) = 6x + 10 + 10x - 4 = 16x+6