Question

3x^2-x-4 how to split the middle term

Answer 1

3x^2+3x-4x-4
3x(x+1)-4(x+1)
(3x-4)(x+1)
x=4/3 & x=(-1)

Answer 2

3x^2 - x - 4
= 3x^2-4x+3x-4
= x(3x-4)+1(3x-4)
= (x+1)(3x-4)
(x+1) =0 (3x-4)=0
x=-1 x = 4/3

hope it helps you...