Question

3x^2 + 12x - 10 (factorize)

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Answer 1

Step-by-step explanation:

Factoring  3x²-12x-10 

The first term is,  3x²  its coefficient is  3 .

The middle term is,  -12x  its coefficient is  -12 .

The last term, "the constant", is  -10 

Step-1 : Multiply the coefficient of the first term by the constant   3 • -10 = -30 

Step-2 : Find two factors of  -30  whose sum equals the coefficient of the middle term, which is   -12 .

   -30   +   1   =   -29   

 -15   +   2   =   -13   

  -10   +   3   =   -7  

   -6   +   5   =   -1  

   -5   +   6   =   1  

   -3   +   10   =   7   

   -2   +   15   =   13    

  -1   +   30   =   29

No two such factors can be found

thus this can not be factorized

but it can be solved by formula method.