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Factorise: c²-12c+20.​

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88 cents ErikFalk
Answer:

c = 2,10

c^2 - (10+2)c + 20

c^2 - 10c - 2c + 20

c(c-10) - 2(c-10)

(c-2) (c-10)

c = 2,10

437
ErikFalk
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