A few days ago
How do you work a problem like √20x – √45x?
My book doesn’t show a problem simular… I need to know how to work a problem like this. THX.
Top 2 Answers
A few days ago
Favorite Answer
First get it into something reducable by pulling out factors of the square root.
sqrt (2x2x5xX)- sqrt (3x3x5xX)
2 sqrt 5X – 3sqrt 5X
-sqrt 5X is the final answer
How’d you get that symbol off your keyboard? Neat trick!
0
A few days ago
If the radial is only over the 20 and 45 then it could also be said as:
(â20 – â45)x
(â4*5 – â9*5)x
(2â5 – 3â5) x
(-1â5)x
-â5 x
1
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