zay6538 zay6538

13-06-2019
Mathematics

contestada

How to solve for x (x+3)(x-3)

Respuesta :

kayleighhb kayleighhb

13-06-2019

Use a difference of squares
x(x^2-3^2)
Simplify
x(x^2-9)
Expand
x^3-9x
Done

If you ever need help with these kinds of things, Cymath is super helpful :)

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