Question

simplify.
$3 \sqrt{45} - \sqrt{125} + 200 - \sqrt{50}$

Answer 1

$3 \sqrt{45} - \sqrt{125} + \sqrt{200} - \sqrt{50} \\ \\ \\ \\ = > 3 \sqrt{9 \times 5} - \sqrt{25 \times 5} + \sqrt{2 \times 100} - \sqrt{2 \times 25} \\ \\ \\ = > 3 \sqrt{ {3}^{2} \times 5} - \sqrt{5 \times {5}^{2} } + \sqrt{2 \times {10}^{2} } - \sqrt{2 \times {5}^{2} } \\ \\ \\ \\ = > (3 \times 3) \sqrt{5} - 5 \sqrt{5} + 10 \sqrt{2} - 5 \sqrt{2}$


=> 9√5 - 5√5 + 10√2 - 5√2

=> 4√5 + 4√2

Answer 2

here is your answer
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