StarsetSociety StarsetSociety

03-02-2017
Mathematics

contestada

Factor completely. 5x^2 - 45

Respuesta :

Аноним Аноним

03-02-2017

Simple...

you have: [tex]5 x^{2} -45[/tex]

Using the box method-->>

5(x+3)(x-3)

Thus, your answer.

Answer Link

altavistard altavistard

03-02-2017

Hint: Divide both terms by 5 (that is, factor the 5 out of the given expression).

You will then have 5(x^2-9). Factor (x^2-9) now.

Answer Link

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