Completing the square method (easiest way )

Solve the following quadratic equation by completing the square method. x ^2+2x−5=0

By using the method of completing the square, show that the equation 4x^2+3x+5=0 has no real roots.

Factorize each of the following quadratic polynomials by using the method of completing the square: (1) y^2-7y+12 (2) z^2-4z-12

Solved the following equation by the method of completing the square : 4sqrt3x^(2)+5x-2sqrt3=0

(Pythagoras's Theorem) Prove by vector method that in a right angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

(Pythagoras's Theorem) Prove by vector method that in a right angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

Which of the following is a complete curative method for treatment of ADA deficiency in a patient?

(Pythagoras’s Theorem) Prove by vector method that in a right angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.

The number of ways in which 5 X's can be placed in the squares of the figure so that no row remains empty is:

Find the number of ways in which letters A, A, A, B, B, B can be placed in the squares of the figure so that no row remains empty.