Question

4x^4 + 7x^2 -2

factorise,, !!

plz answer fast bord exam ahead..

Answer 1

see the image and Mark as brainliest

Answer 2

[tex]Solution: 4x^4 + 7x^2 -2 \\ = 4x^4 + 8x^2 - x^2 - 2 \\ = 4x^2( x^2 + 2) - 1 (x^2 + 2) \\ = (x^2 + 2) (4x^2 -1)[/tex]