Question

factorise 20x² - x + 1​

Answer 1

Step-by-step explanation:

Let p(x) = 20x²– 9x + 1

= 20x²– 5x – 4x + 1

= 5x(4x – 1)-1(4x – 1)

= (4x-1)(5x-1)

hope this helps

Answer 2

20x^2 - 5x +4x -1

5x(4x-1) +1(4x-1)

(5x+1) (4x-1)

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