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Factorise x square - 4 x - 5 equal to 0​

User Burna
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Answer:

using almighty formula

x= -b +or- √bsquare - 4ac all divided by 2a

a =1 b= -4 c=-5

-(-4)+ or - √(-4)^2-4(1)(-5)÷ 2(1)

Factorise x square - 4 x - 5 equal to 0​-example-1
User Agilesteel
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