Cho biểu thức 22 131x xPxx   (với 1x) 1) Rút gọn biểu thức P2) Tính giá trị của P khi 7 4 3x 3) Tìm x để 444P x x   .

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in