" (iii) "9x^(2)-15x+6=0

Calculate the value of x in the following equation :- (i) x^(2)-5x+6=0 (ii) x^(2)-9x+20=0 (iii) x^(2)-15x+56=0 (iv) x^(2)-16x+63=0

Calculate the value of x in the following equation :- (i) x^(2)-5x+6=0 (ii) x^(2)-9x+20=0 (iii) x^(2)-15x+56=0 (iv) x^(2)-16x+63=0

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

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

Algorithm to find the solution of quadratic equation by completing the square: 9x^(2)-15x+6=0

Solve the quadratic equation 9x^(2)-15x+6=0 by the method of completing the square.

Solve the quadratic equation 9x^2-15 x+6=0 by the method of completing the square.

Find the values of x for which the following functions are maximum or minimum: (i) x^(3)- 3x^(2) - 9x (ii) 4x^(3)-15x^(2)+12x+1

Find the roots of the following quadratic equations, (if they exist, by the method of completing the square) :- 9x^2-15x+6=0 .