anji222m
anji222m anji222m
  • 04-05-2020
  • Mathematics
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3x^2+42x+105=0 Find the solution

 
 
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Mibo
Mibo Mibo
  • 04-05-2020

Step-by-step explanation:

I think we have to find the factors so

3x2 + 42x + 105

First we will multiply 105 by 3 = 315 then find factors of 315 which may add or subtract = 42

So 45 and 7

3x2 + 45x - 7x + 105

3x( x + 15) - 7(x - 15)

(3x - 7) and ( x - 15) are the factors

There is a problem please recheck the question

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