Question

solve the following quadratic equation by factorisation 10 x minus one by x is equal to 3​

Answer 1

10x-1/x=3 10x^2-1=3x

10x^2-3x-1=0

10^x-5x+2x-1=0

5x(2x-1)+1(2x-1)=0

(5x+1) (2x-1) =0

x=1/2 , -1/5

Answer 2

Answer:

10x^2 -1/x = 3

= 10x^2 - 3x -1 =0

= 10x^2 - (5-2)x - 1 =0

= 5x(2x - 1) + 1 ( 2x - 1)=0

= (2x - 1) ( 5x + 1)= 0

either ,

2x- 1=0

or, x= 1/2.

or , 5x+1=0

or, x = - 1/5.