SOLUTION: 18z+45+z^2 Factoring with Two Variables

Question 324115: 18z+45+z^2
Factoring with Two Variables
Answer by msgmhenderson(11) (Show Source): You can put this solution on YOUR website!
18z+45+z^2
Factoring with Two Variables
Z^2 + 18Z + 45
FIRST WE FIND THE COMMON FACTORS THAT IS A COMBINATION OF 18 FOR THE PRODUCT 45
WELL THER E IS 1, 3, 5, 9, 15, 45
WE KNOW THAT +3 AND 15 IS +18
SO (Z + 3) (Z + 15)
Z + 3 = 0 Z + 15 = 0
Z = -3 Z = -15
SO WHEN Z = (-3, -15)
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