Math vocabularyThe formula a2 + 2ab + b2 = (a + b) 2.a2 -2ab +b2 = (a-b)2Factorization of phahu two namdikri a difference of squares.Phahu two namdikri can be written as x2 – a positive real number, when a2 is called a difference of squares.From x2 – a2 can be factored as follows: x2 – a2 = (x + a) (x – a).
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