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Inessa05 [86]
3 years ago
13

what is the simplified form of the following expression? Assume x is greater than or equal to 0 and y is greater than or equal t

o 0. 2(4sq root16x)-2(4sq root 2y)+34 sq root 81x)-4(4sq root32y)
Mathematics
2 answers:
blsea [12.9K]3 years ago
6 0

Answer:

338\sqrt{x} -72\sqrt{2y}

Step-by-step explanation:

The expression is

2(4\sqrt{16x})-2(4\sqrt{2y}+34  \sqrt{81x}-4(4\sqrt{32y}  )

Where x\geq 0 and y\geq 0

First, we use distributive property

8\sqrt{16x}-8\sqrt{2y}+34\sqrt{81x}-16\sqrt{32y}

Then, we simplify square roots

8(4)\sqrt{x} -8\sqrt{2y}+34(9)\sqrt{x}  -16(4)\sqrt{2y}

Now, we multiply and group similar roots

32\sqrt{x} -8\sqrt{2y} +306\sqrt{x} -64\sqrt{2y} \\(32+306)\sqrt{x} +(-8-64\sqrt{2y} )\\338\sqrt{x} -72\sqrt{2y}

Therefore, the simpliest form of the given expression is

338\sqrt{x} -72\sqrt{2y}

yarga [219]3 years ago
4 0

the given expression is :

2(4√16x) - 2(4√2y) + 34√81x - 4(4√32y)

⇒ 8(√16x) - 8(√2y) + 34√81x - 16√32y  

⇒8×4√x - 8√2y + 34×9√x - 16√16×2y     [∵ √16 = 4 and √81 = 9]

⇒32√x - 8√2y + 306√x - 16×4√2y

⇒(32√x + 306√x) - 8√2y  - 16×4√2y      

⇒338√x -72√2y

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