X 7 2 3 9 x 2 5 July 8, 2019 16 32 64 128 5 2 x 7 3 x 9 2 x 11 13 29 7 12 x 3 2 5 7 12 x 9 2 5 Multiply 2 3 x 2 4 7 x 5 9 X 1 2 x 2 3 2x 5 7 9 5 x 7 = 35 (x - 7) ^ 2 = (9 - x) ^ 2 9 * (x + 5) ^ 2 - (x - 7) ^ 2
