let width be x ie length = 2x+1 area = (2x+1)(x) 2x^2+x=136 2x^2+x-136=0 (x-8)(2x+17)=0 x-8=0 or 2x+17=0 x=8 or x = -17/2 (reject as length>0) x = 8 width is 8 length is 17
u can check this by multiplying 17 and 8 and it gives u 136 ie this is correct
