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Q.

Find the zeroes of the quadratic polynomial x2-2x-8

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a

-4,3   

b

4,-2           

c

3,-5   

d

6,4 

answer is B.

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Detailed Solution

 We will solve this equation by using the factorisation method     Question Image Question ImageQuestion ImageQuestion Image    Question Image    x=4
    x+2=0
    x=-2
Therefore, the zeroes are 4 and –2.
 
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Find the zeroes of the quadratic polynomial x2-2x-8