OpenStax, Elementary Algebra 2e §6.4 Special Products · Exercise 52 · Algebra · Polynomials

Special Products · Exercise 52

Why does $(a + b)^{2}$ result in a trinomial, but $(a - b) (a + b)$ result in a binomial?

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OpenStax, Elementary Algebra 2e · §6.4 Special Products · Exercise 52

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