human
Factorise a quadratic expression in the form x² - bx - c Tom and Katie are arguing about factorising. Tom says \( x^{2}+5 x+6 \equiv(x+3)(x+2) \) 
Katie says \( x^{2}-5 x-6 \equiv(x-3)(x-2) \) 
Who is correct? Both Tom and Katie
gpt
Believes multiplying two negatives gives a negative answer