Question

X²-3x-4 =0

resolver por formula general​

Answer 1

Respuesta:

x²-3x-4=0

a. b. c

x = -(-3)±√(3)²-4(1)(-4)

2(1)

x= 3±√9+16

2

x= 3 ± √25

2

X= 3±5.

2

X1=3+5 =8 =4

2. 2

X2=3-5 =-2 =-1

2. 2