Math, asked by sreeteja55, 1 year ago

x power 2 - 4x - 5 = 0

Answers

Answered by abhinavmathsscience
4
x²-4x-5=0
x²-5x+x-5=0
x(x-5)+1(x-5)=0
(x+1)(x-5)=0
hence
x=0-1=-1
or
x=0+5=5
Answered by Anonymous
60

Step-by-step explanation:

x^2 - 4x - 5 = 0

x^2 -5x + x -5 = 0

x( x -5 ) + 1( x - 5) = 0

( x + 1)( x -5 ) = 0

x = - 1 and x = 5

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