" solve the quadratic equation "x^(2)+8x+15=0" by the method of completing square "

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.

Which term must be added and subtracted to solve the quadratic equation 3x^2-5x+2=0 by the method of completing the square?

Which term must be added and subtracted to solve the quadratic equation 3x^2-5x+2=0 by the method of completing the square?

Which term must be added and subtracted to solve the quadratic equation 3x^2-5x+2=0 by the method of completing the square?

Which constant must be added and subtracted to solve the quadratic equation 9x^2+ 3/4x - sqrt2 = 0 by the method of completing the square?

Solve the quadratic equation. 8x ^2−22x−21=0

Which constant must be added and subtracted to solve the quadratic equation 9x^(2)+(3)/(4)x-sqrt(2)=0 by the method of completing the square?

Solve the quadratic equation x^(2) - 8x + 9 = 0 by completing squareds method.

Solve the following quadratic equation by the method of completing square:(ii) x^2 +8x+4=0