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Q.

Solve the following quadratic equations by factorization:


2x+3 3x7 =0  


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a

1 4   and 7 4  

b

3 2   and 7 3  

c

1 2   and 1 4  

d

1 4   and 1 4   

answer is B.

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Detailed Solution

Given: The equation is 2x+3 3x7 =0   Either
(2x+3) =0 2x =3 x = 3 2  
Or
(3x7)=0 3x=7 x= 7 3  
So, the roots of the equation (2x+3)(3x7)=0 are x= 3 2  and x= 7 3  .
Thus, correct option is 2.
 
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Solve the following quadratic equations by factorization: 2x+3 3x−7 =0