Question

Is this function factorable: -x^2 +4x-3 ?

Answer 1

yes

Answer 2

how?

Answer 3

easiest to factor out -1 first
(-1)(x2-4x+3)

(-1)(x (x

the last term is positive so the signs of the last terms have to be +, + or - -
since the middle term is negative lets try - -
(-1)(x - (x -

the last term 3 , what are the multiples 3 and 1 so, but where do they go??
(-1)(x - 3 )(x -1)

Answer 4

check it by multiplying