Question

Factorize: 3x²-x-4
pls answer this fast

Answer 1

Answer:

x=4/3 and x=-1

3x²-x²-4=0

(multiplying 3 and 4 and we'll get 12, and by using those numbers to get -1 ).

3x²+(-4+3)x-4=0

3x²-4x+3x-4=0

x(3x-4)+1(3x-4)=0

(3x-4)(x+1)=0

3x-4=0

3x=4

x=4/3

x+1=0

x=-1