Question

Factorise.

x power 4 +4​

Answer 1

Answer:

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Step-by-step explanation:

x⁴ + 4

= (x² + 2)² - 4x²

= (x² + 2)² - (2x)²

a² - b² = (a + b)(a - b)

= (x² + 2 + 2x)(x² + 2 - 2x)

Answer : (x² + 2 + 2x)(x² + 2 - 2x)