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Mathematics 16 Online
jungkook22:

On a test, Leo is asked to completely factor the polynomial 3x3 – 3x + 5x2 – 5. He uses double grouping to get (x2 – 1)(3x + 5). Has he factored the polynomial completely? Explain.

justjm:

Notice anything about the x^2 - 1?

jungkook22:

ooh yeah thx

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