Question

Step by step explanation please

Answer 1

Answer:

that is your answer....... hope it helps

Answer 2

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)