Question

resolve into factor of x⁴+5x²+9​

Answer 1

Answer:

Given, x* + 5x² + 9 to factorise = x* + 6x? + 9 - x² = [(x³)² + 2x3x(x²) + 3?] - (x)? = (x? + 3)? - x? It is in the form of a?-b? which can be written as (a+b)(a-b) = (x²+3-x)(x²+3+x) .: x*+5x²+9 = (x²+3-x)(x²+3+x) %3D

l hope this helps you