Math, asked by sriahti, 1 year ago

factorise (5x-1/x)²+5(5x-1/x)+6

Answers

Answered by Riya1234567891
21
let 5x-1/x =y
A/q
y^2+5y+6
y^2+3y+2y+6
y (y+3) 2 (y+3)
(y+3) (y+2)
put the value of y
(5x-1/x+3) (5x-1/x+2)
(5x^2+2x/x) (5x^2+x/x)
(5x+2) (5x+1)
25x^2+15x+2
Answered by madhurdixit2006
4

Answer:

25x^2+15x+2

Step-by-step explanation:

let 5x-1/x =y

A/q

y^2+5y+6

y^2+3y+2y+6

y (y+3) 2 (y+3)

(y+3) (y+2)

put the value of y

(5x-1/x+3) (5x-1/x+2)

(5x^2+2x/x) (5x^2+x/x)

(5x+2) (5x+1)

25x^2+15x+2

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