Asked by jacob
                factorize the following expressions and if possible show your steps
4x+20
3y^2+12y
x^2+4y-21
            
        4x+20
3y^2+12y
x^2+4y-21
Answers
                    Answered by
            Reiny
            
    #1, common factor is 4
so ....
#2, common factor is 3y
so ....
#3, a trinomial, you will need two number that
have a sum of 4 and a product of -21
    
so ....
#2, common factor is 3y
so ....
#3, a trinomial, you will need two number that
have a sum of 4 and a product of -21
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