(x + 2)2 = 7, x2 - 4 = 12, 4(2x + 1)2 + 5 = 49, x2 + 4 = 12, x2 + 4 = -12, x2 - 3 = -21, x2 = 1/4, (x - 1)2 - 3 = 24, x2 - 5 = 44, x2 = 9/4, (2x)2 + 5 = -40, 9x2 = 108,

Solving Quadratics by Square Roots

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