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amm1812
3 years ago
10

Factor completely x2 + 16.

Mathematics
2 answers:
qwelly [4]3 years ago
3 0

Answer:

2(x+8)

Step-by-step explanation:

2x+16

2(x+8)

ANEK [815]3 years ago
3 0

Answer:

unfactorable with real numbers

in the complex realm

(x-4i) (x+4i)

Step-by-step explanation:

x^2+16

We can only factor this with imaginary numbers

(x^2 - (-4i)^2)

This is the difference of squares

(x -4i) (x+4i)

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