Question

factorize : 1 ) x^2+5x+6
2 )x ^2-2x-3
3 )2x^2+x-1

Answer 1

Answer:

(I) x^2 + 5x +6

=>x ^2+6x-x+6

=> X(X+6)-1(X+6)

=>(X+6)(x-1)

ii x^2 -2x -3

=> x^2-3x+x-3

=> X (x-3)+1(x-3)

=>(x-3)(X+1)

iii 2x^2+x-1

=>2x^+2x-x-1

=> 2x(X+1)-1(X+1)

=> (2x-1)(X+1)