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likoan [24]
2 years ago
6

What's the factor of 18 and the sum of -9?

Mathematics
2 answers:
Klio2033 [76]2 years ago
4 0
Factor:-6,-3
-6-3= -9
Leya [2.2K]2 years ago
3 0

Answer:

Do you really mean by -9 or cause I'm just confused but if you meant by 19 then this could help. I had my mom do whatever she could put as  the answer so yeah

Step-by-step explanation:

a*b=18 ____[1]

a+b=19____[2]

[2] a=19-b ___[3]

put [3] in [1]

(19-b)*b = 18

19b-b^2 = 18

b^2-19b+18 = 0

(b-18)(b-1) = 0

so b=18 or b=1

if b=18 then a=19-18=1

if b=1 then a=19-1=18

SO two factors are 1 and 18

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