Verified Answer :

meerkat18

m² - 12m + 20

m² ⇒ m m
20 ⇒ - 10 -2

(m - 10)(m - 2)
m(m - 2) - 10(m-2)
m² - 2m - 10m + 20
m² - 12m + 20

m - 10 = 0
m = 10

m - 2 = 0
m = 2

Answer:

To make it simpler than the answer on top of this one the ANSWER IS B

Step-by-step explanation:

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