expand (a-2b-3c)^2
Plz solve it
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Heya....!!!!
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_Here is Ur Answer_
(a-2b-3c)^2 = a^2 +2b^2 - 4ab + 9c^2 - 12abc
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Hope it may help U
Plzz mark it as brainliest....
.
.
_Here is Ur Answer_
(a-2b-3c)^2 = a^2 +2b^2 - 4ab + 9c^2 - 12abc
.
.
.
Hope it may help U
Plzz mark it as brainliest....
LazyOne:
can you pls show all the steps?
i will mark you as brainliest
Okk
We know that (a-b)^2 = a^2 +b^2 - 2ab. Here, let assume that (a-2b ) be a and (3c) be b. So, (a-2b)^2 +3c^2 - 2(a)(-2b)(3c) = a^2 + 4b^2 - 4ab + 9c^2 --12abc
Now plzz mark it as brainliest
Here is right answer ( In answer it is wrong )Sorry for it !!!
Answered by
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Answer:
=> (a)^2+(-2b)^2+(-3c)^2+2*a*(-2b)+2*(-2b)*(-3c)+2*(-5c)*a
=> a^2+4b^2+9c^2-4ab+12bc-6ac
hope it helps us!!
mark as brainliest!!
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