Question

factors of x4 + 4 is
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Answer 1

The factor of 4x+4 is (x-1)

Answer 2

Answer:

(x² + 2 + 2x)(x² + 2 - 2x)

Step-by-step explanation:

x⁴ + 4

= (x² + 2)² - 4x²

= (x² + 2)² - (2x)²

a² - b² = (a + b)(a - b)  (identity)

= (x² + 2 + 2x)(x² + 2 - 2x)

 

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