Solve (i)`sqrt(5x^2-6x+8)-sqrt(5x^2-6x-7)=1` (ii)Solve `(x^2-5x+7)^2-(x-2)(x-3)=1`

Solve sqrt(5x^(2)-6x+8)-sqrt(5x^(2)-6x-7)=1

Solve sqrt(3x^2-7x-30)+sqrt(2x^2-7x-5)=x+5.

Solve (x^(2)-x-1)(x^(2)-x-7)<-5

Solve :sqrt(2x-6)+sqrt(x+4)=5

sqrt(3x^(2)-7x-30)-sqrt(2x^(2)-7x-5)=x-5

Solve (6x^2-5x-3)/(x^2-2x+6)le 4

which of the following expressions are polynomials ? Justify your answere, (i) 8 (ii) sqrt(3x)^(2)-2x (iii) 1-sqrt(5x) (iv) (1)/(5x^(-2))+5x+7 (v) ((x-2)(x-4))/(x) (vi) (1)/(x+1) (vii) (1)/(7)a^(3)-(2)/(sqrt(3))a^(2)+4a-7 (viii) (1)/(2x)

Solve (sqrt2+1)^x +(sqrt2-1)^x = 6 .

Solve sqrt(x^(2)+4x-21)+sqrt(x^(2)-x-6)=sqrt(6x^(2)-5x-39)