Question

middel term split of xsquar -2 in note book​

Answer 1

Answer:

${x}^{2} - 2 = 0 \\ {x}^{2} - ({ \sqrt{2} })^{2} = 0 \\ (x + \sqrt{2} )(x - \sqrt{2} ) = 0 \\ x + \sqrt{2} = 0 \: and \: x - \sqrt{2} = 0 \\ x = - \sqrt{2} \: \: and \: x = \sqrt{2}$