Question

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Answer 1

Răspuns:

ex 1 : a)

$(x + \sqrt{2} - \sqrt{8} ) \times (x + \sqrt{2} + \sqrt{8} ) = > (x - \sqrt{2} ) \times (x + 3 \sqrt{2} )$

b)

$( \sqrt{2} x - 1 - \sqrt{32} x) \times ( \sqrt{2} x - 1 + \sqrt{32} x) = > ( \sqrt{2} x - 1 - 4 \sqrt{2} x) \times ( \sqrt{2} x - 1 + 4 \sqrt{2} x) = > ( - \sqrt{2} x - 1) \times (5 \sqrt{2} x - 1)$

c)

$2 \times 2(x - \sqrt{3} ) \times (x + 2 \sqrt{3} ) = > 4(x - \sqrt{3} ) \times (x \times + 2 \sqrt{3} )$