Write which of the following are true /false :
`(x-3)^(2)=x^(2)-6x+9` is a quadratic equation.

Write True or False (x+2)^2 = x^2+2x+1 is a quadratic equation.

Which of the following are quadratic equations? (x+2)^(2)=2x^(2)

Which of the following are quadratic equations? (x+2)^(2)=2x^(2)

is 3x(2x-5)+6=2x(3x+5)-6 a quadratic equation ?

Write which of the following are true /false : 5 is the only one root of the equation x^(2)=25 .

Which of the following is quadratic equation: x^2=x

Write true or false : The equation (x-1)^(3)=x(x^(2)-1) is a quadratic equation of one variable.

Solve each of the following quadratic equations: 9x^(2)-3x-2=0

Which of the following are quadratic equations? x^(2)-6x+4=0( ii) 2x^(2)-7x=0

Which of the following is the value of the discriminant for the quadratic equation 2x^(2) + 5sqrt(3)x + 6 = ?