DopopgAnnijen0nishi DopopgAnnijen0nishi

15-09-2016
Mathematics

contestada

factor completely 2x^2 − 18. prime 2(x^2 − 9) 2(x 3)(x − 3) 2(x 3)(x 3)

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dalendrk dalendrk

15-09-2016

[tex]2x^2-18=2(x^2-9)=2(x^2-3^2)=2(x-3)(x+3)[/tex]

Used:[tex]a^2-b^2=(a-b)(a+b)[/tex]

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