What are the roots of the quadratic equation `x^2 = 9` ?

What are the roots of the quadratic equation 2x^(2) - 7 x + 6 =0 ?

What are the roots of the quadratic equation 2x^(2)+6=-7x ?

What are the roots of the quadratic equation sqrt( 2x^(2)+9) = 9 ?

What are the roots of the quadratic equations a^2b^2x^2-(a^2+b^2) x+1=0

If alpha and beta are the roots of the quadratic equation x^2+5x+6=0 what are the signs of the roots?

If alpha,beta are the roots of the quadratic equation x^(2)+bx-c=0, the equation whose roots are b and c, is

The roots of the quadratic equation x^2+5x+6=0 are