Question

x^2 - 36 = 0; 2x^2 - 4 = 0;
x^2+ 49 = 0. x^2- 3x = 0;
-5x^2 + 20x = 0;
x^2 + 3,5x = 0. 1,2x^2 = 0;
3x^2 - 4x = 0;
-5x^2 + 6x = 0;
10x^2 + 7x = 0;
4a^2 - 3a = 0;
6z^2 - z = 0;
2y + y^2 = 0. 4x^2 - 9 = 0;
-x^2 + 3 = 0;
-0,1x^2 + 10 = 0;
6v^2 + 24 = 0;
3b^2 - 1 = 0. 6x^2 = 0;​

Answer 1

16) -0.1x2+10=0

x2=100

x=±10