How do you simplify $2 \sqrt{7} (- 8 \sqrt{7}) - 3 \sqrt{7}$ $2 sqrt 7 ( -8 sqrt 7) - 3 sqrt 7$ ?

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Answer 1 · 2018-05-07T11:29:47

$- 112 - 3 \cdot \sqrt{7}$ $-112 - 3* sqrt(7)$

I understand you mean:

$2 \sqrt 7 \cdot (- 8 \sqrt 7) - 3 \sqrt 7$ $2√7 * (−8√7)−3√7$

In this case:

$= - 16 \cdot \sqrt{7} \cdot \sqrt{7} - 3 \cdot \sqrt{7} = - 16 \cdot 7 - 3 \cdot \sqrt{7}$ $= -16* sqrt(7)* sqrt(7) - 3* sqrt(7)=-16*7 - 3* sqrt(7)$

$= - 112 - 3 \cdot \sqrt{7}$ $= -112 - 3* sqrt(7)$

How do you simplify 2√7(−8√7)−3√72 sqrt 7 ( -8 sqrt 7) - 3 sqrt 7?