Factorise x^2 - 4x-5
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X²-4x-5=0
x²-5x+x-5=0
x(x-5)+1(x-5)
(x-5)(x+1)=0
x=5 or x=-1
Answered by
1
Answer:
▪︎x² - 4x - 5 = 0
Solution - X² - 4x - 5 = 0
x²-5x+x-5=0
x²-5x+x-5=0x (x-5) + 1 (x-5)
(x-5)(x-5) (x+1) = 0
{ x = 5 or x = -1 }
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