Question

x²-x-4=0. plz give me solved​

Answer 1

⦋ φµεรƭเσɳ⦌ ⤵

x²-x-4=0

⦋αɳรωεɾ⦌ ⤵

x=2

[εאρℓαɳαƭเσɳ] ⤵

● x²-x-4=0

or, x²-(2-2)x-4=0

or, x²-2x+2x-4=0

or, x(x-2) +2(x-2) =0

or, (x-2) (x+2)=0

or, (x) ²-(2)²=0

or, x²-4=0

or, x²=4

or, x=√4

:. x=2.

Hope its help:) ✅