Determine the roots of $2x^2-100x=0$ using any mehod

Determine the roots of $16x^2-40x+25=0$ using any method

Determine the roots of $6x^2-10x+4=0$ using any method

Determine the roots of $25x^2+20x+4=0$ using any method.

Determine the roots of $9x^2-81=0$ using any method

Determine the roots of$-22x^2-132=0$ using any method

Determine the roots of $16x^2+32x+12=0$ using any method

Determine the roots of $x^2-4=0$ using any method

Determine the roots of $2x^2-8x=0$ using any method

Determine the roots of $9x^2-15x^{ }-5=0$ using any method