1) x^2 = 36;
x = 6; x = -6;
2) x^2 = 1.96;
x = 1.4; x = -1.4;
3) x^2 = 37;
x = √37; x = -√37;
4) 3x^2 = 48;
x^2 = 16;
x = 4; x = -4.
1) x^2 = 36;
x = 6; x = -6;
2) x^2 = 1.96;
x = 1.4; x = -1.4;
3) x^2 = 37;
x = √37; x = -√37;
4) 3x^2 = 48;
x^2 = 16;
x = 4; x = -4.