michellewilliam michellewilliam

10-06-2014
Mathematics

Answered

multiply, (x+4)(x-4) simplify answer.

Answer :

Tianbot123 Tianbot123

10-06-2014

I think it is:

(x+4)(x-4)
x(x-4)+4(x-4)
x2-4x+4x-16
x2-16
????????????

Answer Link

10-06-2014

That's the easily recognizable factored form of
the difference between two squares. Before
factoring, it was

x² - 16 .

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