x = +11 or -11
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If x^2 = 121 then the value of x is 11
112 = 11 x 11 = 121
eleven 11 x 11 = 121 121 x 11 = 1331
Do you mean? X^2 - 121 = 0 add 121 to each side X^2 = 121 take square root of each side x = (+/-) 11
√121 = 11 → 11 × 11 = 121 Also: -11 × -11 = 121