Question

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Answer 1

Hey mate !!!!

Here is ur answer...

= 7√2x-2√8x

=>7√2x - 2*2√2x. ------ √8=√4*2=2√2

=> 7√2x - 4√2x

=> 3√2x

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Answer 2

Answer:

3√2x

Step-by-step explanation:

$7\sqrt{2}x- 2\sqrt{8}x$

Rewrite √8 as √(4 x 2):

$= 7\sqrt{2}x- 2\sqrt{4 \times 2}x$

$= 7\sqrt{2}x- 2\sqrt{4}\sqrt{2}x$

Take out common factor √2:

$= \sqrt{2} \left( 7x- 2\sqrt{4}x)$

Evaluate √4:

$= \sqrt{2} \left( 7x- 2(2)x)$

$= \sqrt{2} \left( 7x- 4x)$

Combine 7x and -4x:

$= \sqrt{2} (3x)$

$= 3\sqrt{2}x$

Answer: 3√2x