If x^2 -16x + 64 = 0, then x=?, 8, -8 or 8, - 8, If y^2 - 49 = 0, then y=?, -7, 7, -7 or 7, If 2x^2 = 56 - 6w , then w=?, -28 or 2, -7 or 4, -2 or 4, If 2y^2 = -5y + 12,then y=?, -3/2 or 4, -3/2 or -4, 3/2 or -4, If 3x^2 + 4x - 4= 2x^2 + 13x + 18, then x=?, cannot be solved using factoring, -7/5 or -2, 11 or -2.

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