Question

4x^4 + 11x + 9
Factorise

Answer 1

$your \: solution$

■》see THE attached pic..

Answer 2

Solution :-

There is a mistake in this question. The correct question should be 4x⁴ + 11x² + 9

4x⁴ + 11x² + 9

⇒ 4x⁴ + 12x² - x² + 9

⇒ 4x⁴ + 12x² + 9 - x²

⇒ 4x⁴ + 12x² + 9 = (2x² + 3)²

⇒ (2x² + 3)² - x² [using the identity a² - b² = (a + b)(a - b)]

⇒ (2x² - x + 3) (2x² + x + 3)

Answer.