Question

slove quadratic equation using formula x2-2x-3=0​

Answer 1

Answer:

$x1 = - 1 \\ x2 = 3$

Step-by-step explanation:

x²-2x-3=0

x(x+1) -3(x+1)=0

(x+1) (x-3)=0

x+1=0

x-3=0

x= -1

x= 3