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4vir4ik [10]
3 years ago
12

Multiply and simplify: sq rt 7x ((sq rt x)-7sq rt. 7)

Mathematics
2 answers:
Dmitriy789 [7]3 years ago
5 0

Answer:

7x(√x - 7√7) Multiply √7x to "√x" and "-7√7" respectively: 

√7x*√x - 7√7*√7x 

First is to simplify: √7x² - 7√7²x 

Extract the squares: x√7 - 7*7√x 

Then, we simplify: x√7 - 49√x 

After simplifying the equation, I got the answer x√7 - 49√x.

Step-by-step explanation:

jarptica [38.1K]3 years ago
3 0
7x(√x - 7√7) Multiply √7x to "√x" and "-7√7" respectively: 
√7x*√x - 7√7*√7x 
First is to simplify: √7x² - 7√7²x 
Extract the squares: x√7 - 7*7√x 

Then, we simplify: x√7 - 49√x 
After simplifying the equation, I got the answer x√7 - 49√x.
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