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Question

Find the roots of the equation 2x27x39=0 by the method of factorization.


A

x=132,x=3

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B

x=135,x=5

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C

x=3

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D

x=5

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Solution

The correct option is A

x=132,x=3


2x27x39=0 [ Expressing as ax2+bx+c=0 ]
Now, by using the method of factorization
2x213x+6x39=0
x(2x13)+3(2x13)=0
(2x13)(x+3)=0
2x13=0,or x+3=0
x=132,or x=3


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