SOLUTION: Can anyone offer steps and solution for this one? Factor each polynomial. If the polynomial is prime, say so. 18z + 45 + z�

Question 43872: Can anyone offer steps and solution for this one?

Factor each polynomial. If the polynomial is prime, say so.

18z + 45 + z�

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Let's see if the expression can be factored. Rewrite it in standard form:

The factors will look like: (z+a)(z+b) and you would like to have:
a*b = 45 and
a+b = 18
The factors of the first term are
The possible factors (a & b) of the last term are:
3*15 = 45
5*9 = 45
Now you want the factors (a & b) of the last term to add up to 18 (a+b = 18) so you can get the middle term of your original expression (18z).
It looks like 3+15 = 18, so a = 3 and b = 15
So the factors of:

RELATED QUESTIONS
Factor each polynomial. If the polynomial is prime, say so 18z + 45 + z� (answered by stanbon)

Factor each polynomial. If the polynomial is prime say so.... (answered by checkley77,Alan3354)

Factor each polynomial. If polynomial is prime, say so. 18z + 45 +... (answered by rfer)

Can you show me how to factor each polnomial, and if the polynomial is prime I'm supposed (answered by Fombitz)

Section 5.3 Factoring ax2 + bx + c with a = 1 Factor each polynomial. If the... (answered by stanbon)

Factor each polynomial. 18z - 45 -... (answered by Mathtut)

Please help me to solve: Facot each polynomial, if prime, say no. 18z+45+z^2... (answered by Earlsdon)

18z+45+z^(2 ) How do I factor this... (answered by jim_thompson5910,gonzo)

Factor each polynomial completely. If polynomial is prime, say so. Problem is:... (answered by edjones)