Question

-3x^2+12x-1x+4...factorization method ​

Answer 1

Answer:

1.1     Factoring  x2-13x+12 

The first term is,  x2  its coefficient is  1 .

The middle term is,  -13x  its coefficient is  -13 .

The last term, "the constant", is  +12 

Step-1 : Multiply the coefficient of the first term by the constant   1 • 12 = 12 

Step-2 : Find two factors of  12  whose sum equals the coefficient of the middle term, which is   -13 .

     -12   +   -1   =   -13   That's it

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