Question

Factorise x4+x2+25 Please answer fast

Answer 1

Answer:

(x² + 3x +5)(x² - 3x +5)

Step-by-step explanation:

• x⁴+x²+25 =
• x⁴ + 10x² + 25 - 9x² =
• (x²+5)² - (3x)² =
• (x² + 3x +5)(x² - 3x +5)