Question

(x-1)(x-2)=6 vc pode responder

Answer 1

(x-1)(x-2)=6 x²-2x-x+2=6 x²-3x+2=6 x²-3x-4=0  x=(-(-3)±√(-3)²-2(1)(-4))/2(1) (Baskhara)  x= ( 3 ± √25)/2 x= ( 3 + 5 )/2 = 4 x= (3-5)/2= -1  (4-1)(4-2)=6 (3)(2)=6 6=6 ✓  (-1-1)(-1-2)=6 (-2)(-3)=6 6=6 ✓