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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