Question

3x² + 7x + 4
Factorise the given polynomial.

Answer 1

3x ka square +(4+3)x + 4
3x ka square + 4x +3x + 4
x(3x+4) +1(3x+4)
(3x+4) (x+1)

Answer 2

Hi ,

It is given that ,

3x² + 7x + 4

Splitting the middle term , we get

= 3x² + 3x + 4x + 4

= 3x( x + 1 ) + 4( x + 1 )

= ( x + 1 )( 3x + 4 )

I hope this helps you

: )