factorise:20x²-9x+1.
Answers
Answered by
12
20x² -9x +1 =0
20x² -(5+4)x +1 =0
20x² -5x -4x +1 =0
5x(4x-1) -1(4x-1) =0
(5x-1) (4x-1) =0
(5x =1) OR (4x =1)
Now,
x =1/5 OR x =1/4
I hope this will help you
-by ABHAY
20x² -(5+4)x +1 =0
20x² -5x -4x +1 =0
5x(4x-1) -1(4x-1) =0
(5x-1) (4x-1) =0
(5x =1) OR (4x =1)
Now,
x =1/5 OR x =1/4
I hope this will help you
-by ABHAY
Answered by
5
20x²-5x-4x+1
5x(4x-1)-1(4x-1)
(4x-1)(5x-1)
5x(4x-1)-1(4x-1)
(4x-1)(5x-1)
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