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3 years ago

Solve (x^2+4)(x^2-4)

Mathematics

2 answers:

timurjin [86]3 years ago

3 0

wolverine [178]3 years ago

3 0

If you need to expand, you multiply all the terms:

x^2 * x^2 = x^4
x^2 * -4 = -4x^2
4 * x^2 = 4x^2
4 * -4 = -16

And then combine:

x^4 - 4x^2 + 4x^2 - 16

Which becomes:

x^2 - 16

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SpyIntel [72]

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