Question

factorisation of
${x}^{2} - 2\sqrt{5}x + 3$
​

Answer 1

Given that,

${x}^{2} - 2 \sqrt{5} + 3 \: = \: 0$

Solution,

➡ x² - 2√5 + 3 = 0

➡ x² - (√5 + √2)x - (√5 - √2)x + 3 = 0

➡ x[x - (√5 + √2)] - (√5 - √2)(x - (√5 + √2) = 0

➡ [x - (√5 + √2)] [x - (√5 - √2)] = 0

➡ x = (√5 + √2) ; x = (√5 - √2)

$hope \: it \: helps \: you \: .....$

Step-by-step explanation:

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