pls help me with these,, thank u!!
1. the roots of the equation of 5x^2-80=0?
2. x^2-20=0?
3. 2y^2=200?
4. 4s^2-75=0?
5. 2(x^2-10x)= -20x+ 64?
and also can u pls put the solutions po bcs i badly need it. tysm!!