Question

18√2 - 2√50 I need to know

Answer 1

Answer:

8√2

Step-by-step explanation:

18√2 - 2√50 = 18√2 - 2√(2*25)=18√2 - 2*5√2= 18√2 - 10√2= 8√2

Answer 2

Answer:

$8\sqrt{2}$

Step-by-step explanation:

$18\sqrt{2} -2\sqrt{25*2}= 18\sqrt{2} -2\sqrt{5*5*2}\\Taking 5 out.\\=18\sqrt{2} -2*5\sqrt{2}\\=18\sqrt{2} -10\sqrt{2}\\=8\sqrt{2}$

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