E5 [3] Simplify the following expression [(2x+1)2+(x+1)(x−1)−(x+2)(x−2)−4]:x
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E5 [3] Simplify the following expression [(2x+1)2+(x+1)(x−1)−(x+2)(x−2)−4]:x
E5 [3] Simplify the following expression [(2x+1)2+(x+1)(x−1)−(x+2)(x−2)−4]
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