x^2+4x-5/x^2+3x+2<0 ANSWER PLEASE!​

Explications étape par étape:

x²+4×-5 / x²+3x+2 <0

Formule =>-b+-√b²-4ac/2a

Dénominateur

=> -3+- √9-4.1.2/2

=> -3+- √9-8 /2

=> -3+- 1 /2

=> -3-1 /2 = -4/2 = -2

=> -3+1/2 = -2/2 =1

(X+2)(x-1)

Numérateur

=> -4+-√16-4.1.(-5)/2a

=> -4 +- √ 36 /2

=> -4+- 6/2

=> -4+6/2 = -2/2 =1

=> -4 -6/2 = -10/2 = -5

(x-1)(X+5)

(X+2)(x-1)/(x-1)(X+5) = X+2/X+5

you have to do a sign board I guess?