the factorization of 20 x square - 9 X + 1
Answers
Answered by
2
Answer:
(5x - 1)(4x - 1)
Step-by-step explanation:
20x² - 9x + 1
= 20x² - 5x - 4x + 1
= 5x(4x - 1) - (4x - 1)
= (5x - 1)(4x - 1)
Answered by
0
Answer:
(5x - 1) (4x - 1)
Step-by-step explanation:
20x² - 9x + 1 ... (i)
20 * 1 = 20
The factor pairs of 20 are (1, 20) , (2 , 10) , (4 , 5)
-9x can be written as - 4x - 5x
Re-writing equation (i),
20x² - 5x - 4x + 1
5x (4x - 1) -1(4x - 1)
(5x - 1) (4x - 1)
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