11 * 11 = 121
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The square roots of 121 are -11 and 11.
11 and -11.
121
The square root of 121 = 11 or -11. Since 11 is prime this cannot be written any simpler. * * * * * Those are the two square roots of 121. The question asked for only the negative root, which is -11.
11 x 11 = 121. Any integer multiplied by itself results in a square number.