Alexi wants to hang a mirror in his boat and put a frame around it. The mirror and frame must have an area at 19.25 square feet. The mirror is 3 feet wide and 5 feet long. Which quadratic equation can be used to determine the thickness of the frame, x.
1. 2x^2+8x-19.25 = 0
2. 3x^2+5x-19.25 = 0
3. 4x^2+16x-4.25 = 0
4. 4x^2+16x+15 = 0
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