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Mathematics 86 Online
mxddi3:

simplify the radical expression: i'll post

mxddi3:

\[2\sqrt{180x^4yz^3}\] @Pixel can you help plz?

jhonyy9:

write the 180 as a product of a square and a number

mxddi3:

so you have \[\sqrt{180}=\sqrt{36}*\sqrt{5}= 6\sqrt{5}\]

jhonyy9:

yes continue

mxddi3:

and then\[\sqrt{x^4}= x^2\]

jhonyy9:

yes

mxddi3:

\[\sqrt{y}= \sqrt{y}\] and \[\sqrt{z^2}= z \sqrt{z} \]

jhonyy9:

attention in place of z inside radical is cubed not square

mxddi3:

yes sorry.

jhonyy9:

ok than all together

mxddi3:

2x6=12 so it's \[12x^2z \sqrt{5yz}\] ?

jhonyy9:

yes correct

mxddi3:

ty!

jhonyy9:

yw anytime

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