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

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

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

If alpha,beta,gamma,delta are the roots of 5x^(4)-9x^(3)+2x^(2)-15x+20=0, then the equation whose roots are -alpha,-beta,-gamma,-delta is

f(x)=x^(3)-9x^(2)+15x+3 has maximum at the point

Find the HCF of 15x^(2) + 8 x - 12, 3x^(2) + x - 2,3x^(2) - 2x , 9x^(2) - 12 x + 4

Find the maximum and minimum values in the following functions : x^(3)-9x^(2)+15x-1 ,

Find the value of x.x^(3)-9x^(2)+23x-15=0