Question

factotise the qudratic trinomial x-5x+6

Answer 1

x-5x+6 =-4x+6
To factorise this we must equate this to zero
So-4x+6=0
=> 4x=6
=> x=6/4
=> x=3/2

Answer 2

x^2-5x+6=0

x^2-3x-2x+6=0

x(x-3)-2 (x-3)=0

(x-3)(x-2)=0

x=3 x=2