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in Factorization by (30.8k points)
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Factorize: 

3x2 + 10x + 8

1 Answer

+1 vote
by (31.2k points)
selected by
 
Best answer

Given, 

3x2 + 10x + 8 

Now first find the numbers whose

Sum = 10 and 

Product = 3 × 8 = 24 

Required numbers are 6 and 4, 

So we get; 

3x2 + 10x + 8 

= 3x2 + 6x + 4x + 8 

= 3x(x + 2) + 4(x + 2) 

= (x + 2)(3x + 4)

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