Find the dimensions of a rectangle whose perimeter is 46 m and whose area is 126m

The length is 14 and the width is 9 or the length is 9 and the width is 14.  Clue is that this:46=2(l+w)Divide both sides by 223=l+wThen u have to find a factor that if u multiply it is 126 that add up to 23 which is 14 and 9