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

asked Jun 16, 2015 52.4k views

1 vote

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3 votes

I think it is:

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

Stensootla answered Jun 17, 2015

8.1k points

2 votes

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

x² - 16 .

Aeubanks answered Jun 21, 2015

8.3k points

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