if the perimeter of a rectangle is 2x^2 plus 10x plus 10 and then length is x^2 +2x+1 what is the width

Answer 1

P=2x^2+10x+10= 2L+2w

x^2+5x+5= L+w

L=x^2+2x+1

w=x^2+5x+5 -x^2-2x-1= 3x+4 = width