P x 2 10x 25 x 2 5x July 8, 2019 16 32 64 128 X 2 10x 25 x 2 5x Cho biểu thức p x 2 10x 25 x 2 5x (x ^ 2 + 25)/((x - 5) ^ 2) - (10x)/((5 - x) ^ 2) 2/(x ^ 2 + 10x + 25) - 10/(25 - x ^ 2) = 1/(x - 5) 2 ) 2) (x ^ 2 + 25)/((x - 5) ^ 2) - (10x)/((5 - x) ^ 2)