3 years ago

Please help me on question #2

Mathematics

1 answer:

OlgaM077 [116]3 years ago

7 0

Product Rule of Radicals: √ab = √a × √b

So firstly, factor out i (i = √-1):

10i√80

Next, apply the product rule of radicals and simplify the radical as such:

√80 = √10 × √8 = √5 × √2 × √4 × √2 = 2 × 2 × √5 = 4√5

10i × 4√5 = 40i√5

<u>Your final answer is 40i√5.</u>

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Solve for x: |3x|=12

Dennis_Churaev [7]

Answer:

x = 4; x = -4

Step-by-step explanation:

|3x| = 12

3x = 12

3x/3 = 12/3

x = 4

3x = -12

3x/3 = -12/3

x = -4

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3 years ago

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For this case what you should do is follow the following steps:
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See attached image.