Question

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Answer 1

Jawaban:

c. x² - 25x + 24 = 0

Penjelasan dengan langkah-langkah:

x² - 10x + 9 = 0

p+q = -10

p.q = 9

p = -1

q = -9

(x + p) (x + q)

(x - 1) (x - 9)

x - 1 = 0 v x - 9 = 0

x = 1 x = 9

x1 < x2

x1 = 1

x2 = 9

3x1 - 2

= 3(1) - 2

= 1

3x2 - 3

= 3(9) - 3

= 24

(x - x1) (x - x2) = 0

(x - 1) (x - 24) = 0

x² - 24x - x + 24 = 0

x² - 25x + 24 = 0 (c).