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If: x2+16 = 25 Then: x = 3
3^(2) + x = 25 9 + x = 25 x = 25 - 9 x = 16
4x2/81 = 1 - 16x2/25100x2 = 25*81 - 16*81x21396x2 = 2025x2 = 2025/1396x = +/- 1.2044, approx.
25 squared= 25 X 25 = 625 625 X 30 = 18750
25 x times