92 is the same as 9 * 9 which equals 81. 112 is the same as 11 * 11 which equals 121.
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11 squared (11 x 11) is 121.
lokiya said: 9 squared is equal to 81
11th squared = 1/11 x 1/11 = 1/121 11 squared = 11² = 11 x 11 = 121
When you square a number, you multiply it by itself. So, 9 squared means 9 multiplied by 9, which equals 81. In mathematical notation, 9 squared is written as 9^2 or 9 x 9.
Find factors of -99 which sum to -2. Solution appears to be 9 and -11 (x + 9)(x - 11)