Simplify the following (3 √40)(4 √5)

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Mathematics Minh Khuê 4 years 2021-09-04T18:07:57+00:00 2021-09-04T18:07:57+00:00 2 Answers 7 views 0

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Captcha* Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )

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thuthuy · Answer 1 · 2021-09-04T18:09:46+00:00

thuthuy

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2021-09-04T18:09:46+00:00 September 4, 2021 at 6:09 pm

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Answer:

169.70

Step-by-step explanation:

King · Answer 2 · 2021-09-04T18:09:56+00:00

King

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2021-09-04T18:09:56+00:00 September 4, 2021 at 6:09 pm

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Answer:

120 $\sqrt{2}$

Step-by-step explanation:

3 $\sqrt{40}$ · 4 $\sqrt{5}$ = (3 $\sqrt{5}$ · $\sqrt{4}$ · $\sqrt{2}$ ) x 4 $\sqrt{5}$

= 3 · 2 · 5 · 4 $\sqrt{2}$

= 120 $\sqrt{2}$