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Simplifying (ab + bc)(ab + bc) Multiply (ab + bc) * (ab + bc) (ab(ab + bc) + bc(ab + bc)) ((ab * ab + bc * ab) + bc(ab + bc)) Reorder the terms: ((ab2c + a2b2) + bc(ab + bc)) ((ab2c + a2b2) + bc(ab + bc)) (ab2c + a2b2 + (ab * bc + bc * bc)) (ab2c + a2b2 + (ab2c + b2c2)) Reorder the terms: (ab2c + ab2c + a2b2 + b2c2) Combine like terms: ab2c + ab2c = 2ab2c (2ab2c + a2b2 + b2c2)
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