Question

factorise : 4x^4 + 11x^2 + 25​

Answer 1

Answer:

(2x^2+5+x)(2x^2+5-x)

Step-by-step explanation:

4x^4+11x^2+25

=4x^4+12x^2-x^2+25

=(4x^4+12x^2+25)-x^2

=(2x^2+5)^2-(x)^2

=(2x^2+5+x)(2x^2+5-x)