Math, asked by rupsi, 1 year ago

factorise 20 x square - 9 X + 1

Answers

Answered by yashika41

79

=20x^2-4x-5x+1
=4 x (5x-1)-1 (5x-1)
=(4x-1)(5x-1)

Answered by kirti70

34

20x-5x-4x+1=5(4x-1) - 1(4x-1)=(4x-1)(5x-1)=x=1/4 x=1/5

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