Question

the zero of polynomial x2-2x-3​

Answer 1

Answer:

x²-2x-3=0  

=>x²-3x+x-3=0

=>x(x-3)+1(x-3)=0

=>(x+1)(x-3)=0

=>Either x+1=0 or x-3=0

=>Either x= -1 or x=3

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Answer 2

Answer:

Step-by-step explanation:

x^2 - 2x -3

By Middle Term splitting

x^2 +1x - 3x -3

Taking x and 3 common

x(x+1) - 3(x + 1)

(x-3)(x+1)

So zeroes are +3 and -1

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