Which of the following is not a quadratic equation? (a) 2(x - 1)2 = 4x + 2x + 1 (b) 2x - x2 = x2 + 5 (c) (V2x + V3)2 + x2 = 3x? – 5x (d) (x2 + 2x)2 = x + 3 + 4x
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the answer of the a question is 8x ,the b questions answer is -3x
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