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2x2 + 21x + 49

= 2x2 +14x +7x + 49

= 2x(x + 7) + 7(x + 7)

= (2x + 7)(x + 7)

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โˆ™ 2010-12-02 00:29:25
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Algebra

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Q: What is the factorization of this trinomial 2x2 plus 21x plus 49?
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