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.
Answer:
x = 7
Step-by-step explanation:
first subtract 4 from both sides
-3x = -21
divide both sides by negative 3
x = 7
Mean is just another word for average. To find the average of something you must add up all values and divide by the number of values in the set.
Answer:It has to be more clear
Step-by-step explanation:
Answer:
x = 13
Step-by-step explanation:
180-52=10x-2
130=10x
13=x