Question

14. Find the roots of the quadratic equation 3x^2 - 108 = 0.​

Answer 1

Answer:

$3 {x}^{2} - 108 = 0$

$3 {x}^{2} - 108 = 0$$3( {x}^{2} - 36) = 0$

$3 {x}^{2} - 108 = 0$$3( {x}^{2} - 36) = 0$${x}^{2} - 36 = 0$

$3 {x}^{2} - 108 = 0$$3( {x}^{2} - 36) = 0$${x}^{2} - 36 = 0$${x}^{2} = 36$

$3 {x}^{2} - 108 = 0$$3( {x}^{2} - 36) = 0$${x}^{2} - 36 = 0$${x}^{2} = 36$

x= 6 or x = -6