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𝑥 − 8𝑥𝑦^3

Answer:

𝑥 − 8𝑥𝑦^3

We can write the given question as,

𝑥 − 8𝑥𝑦^3 = 𝑥(1 − 8𝑦^3)

According to the equation,

𝑎^3 − 𝑏^3 = (𝑎 − 𝑏)(𝑎^2 + 𝑎𝑏 + 𝑏^2)

So we get,

𝑥(1 − 8𝑦^3)

= 𝑥(1^3 − (2𝑦)^3)

Using the equation,

= 𝑥[(1 − 2𝑦)(12 + 2𝑦 + (2𝑦)^2)]

= 𝑥(1 − 2𝑦)(1 + 2𝑦 + 4𝑦^2)

"hello guys welcome back to leader
homework i'm reverend kumar working as a
tutor that leader
so today we will be exploring one more
very interesting question
and now we can do it so let's see okay
so they have given this question that is
x
x minus 8 x y cube
so it is a bit of confusing red so here
there is no cube in this thing
so we can use this formula so we we can
use this formula by taking excess common
okay
so if you are taking excess common 1
minus 8y cube will be balanced here
so just you take this thing okay so 1
minus
8y you can be written in the format of 1
whole cube minus
2y whole cubes that is equals to
a mine now it can be like a q minus b
cube only right so that is equals to 1
minus 2 y
1 minus 2 y of a square that is
1 square plus a b that is 1 into
2y plus 2y whole square again
so that will be of 1 minus 2y
of 1 plus 2 y
plus 4y square so this
x is there now here so just write x here
just x right here it does
so that you will be getting the final
answer as x of
1 minus 2 y of 1 plus
1 plus 2 y plus 4 y square so this is
the thing here
so i hope you understand what i've done
if you have any doubts please comment
below don't forget to subscribe to this
channel
thank you so much for watching this stay
tuned thank you
"

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