Question

factorize the following .
do not find the value of x.. simply factorize only
${x}^{2} - 3x - 1 = 0$
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Answer 1

Answer:

${x}^{2} - 3x - 1 = 0 \\ {x}^{2} - 2x - x + 1 - 1 - 1 = 0 \\ {x}^{2} - 2x + 1- x - 2 = 0 \\ ({x}^{2} - 2x + 1)- x - 2 = 0 \\ {(x - 1)}^{2} - (x + 2) = 0 \\ {(x - 1)}^{2} - { \sqrt{ (x + 2) } }^{2} = 0 \: \\ \fbox {using \: formula \: {a}^{2} - {b}^{2} = (a + b)(a - b)} \\ (x - 1 + \sqrt{x + 2} )(x - 1 - \sqrt{x + 2} ) =0\\ which \: are \: the \: required \: factors.$

Answer 2

Answer:

Answer is 0 .

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