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31 votes
31 votes
Factor. x² - 12x + 20trinominals

User Stone
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1 Answer

11 votes
11 votes

(x - 10) (x - 2)

Step-by-step explanation:

x² - 12x + 20

a = 1, b = -12, c = 20

a(c)= 1(20) = 20

The factors of 20 whose sum gives -12 are -2 and -10

x² - 2x -10x + 20

x(x - 2) -10 (x -2)

(x - 10) (x - 2)

Hence, the factor of x² - 12x + 20 are (x - 10) (x - 2)

User Justin Poliey
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