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Q.

How do you factor the expression x2 + 12x + 20

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a

–2, –10

b

–1, –11

c

–3, –9

d

–4, +8 

answer is A.

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Detailed Solution

n2 + 12n + 20
a = 1, b = 12, c = 20
Using quadratic formula
Question ImageQuestion ImageQuestion Image Question Image x = –2, x = –10
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