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solve (x + 3)(x - 3) + 8x ^ 4 = 2x ^ 2 - (x + 5) ^ 2 - (4x ^ 2 - 35 - 10x)
solve (x + 3)(x - 3) + 8x ^ 4 = 2x ^ 2 - (x + 5) ^ 2 - (4x ^ 2 - 35 - 10x)
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