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1) 4x^{2} – 1 = 0
x = ±
2) 6x^{2} – 9x = 0
x = and
3) 36x^{2} – 3x = 0
x = and
4) 9x^{2} – 4 = 0
x = ±
5) 6x^{2} – x – 1 = 0
x = and
6) x^{2} = 11x
x= and
7) ^{x}/_{5} – x^{2} = 0
x = and
8) 16x^{2} – 1 = 0
x = ±
9) 12y^{2} – 16y + 5 = 0
x = and
10) x^{2} – 14x + 49 = 0
x =