[" Factrise "],[" (1) "9x^(2)+18x+8],[" 2) "15x^(2)+2x-8]

8x^2 - 18 =

Factorise : 5x^(2) - 18x -8

Factorise: 15x ^(2)- 26 x + 8

Factorise (i) x^(2)+9x+18 " " (ii) 6x^(2)+7x-3 (iii) 2x^(2)-7x-15 " " (iv) 84-2r-2r^(2)

Factorise (i) x^(2)+9x+18 (ii) 6x^(2)+7x-3 (iii) 2x^(2)-7x-15 (iv) 84-2r-2r^(2)

Solve by the method of completing the square: (1) 9x^(2)-15x+6=0 (2) 5x^(2)-6x-2=0

If f(x) = 9x^(2) + 5x - 8 , then f(-2) = ?

Find the nature of the roots of the equations of given below : (a) x^(2) - 13x + 11 =0 (b ) 18x^(2) - 14x + 17 = 0 (c ) 9x^(2) - 36x + 36 = 0 (d) 3x^(2) - 5x - 8 = 0