Question

4. Solve x² + 4x – 5 = 0​

Answer 1

Answer:

x= 1,-5

Step-by-step explanation:

x^(2)+4*x-5=0

x^(2)+4*x-4-1=0

x^(2)-1+4(x-1)=0

(x-1)(X+1)+4(x-1)=0

(x-1)(X+4+1)=0

x-1= 0 or X+5=0

so X= 1 or X= -5