Question

factorise X² - 2√5x + 3 by splitting the middle term

Answer 1

Answer:

$x^{2} - 2 \sqrt{5x} + 3 \\ x - 2 \sqrt{5x} + \sqrt{5x} + 3 \\ x(x + 2 \sqrt{5}) + \sqrt{5} (x + 2 \sqrt{5}) \\ (x + 2 \sqrt{5})(x + \sqrt{5})$

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