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charle [14.2K]
4 years ago
15

Help me pls!Could u explain how to do it!In a simple way thanks!

Mathematics
1 answer:
malfutka [58]4 years ago
6 0
A) (x-c)²
= x²-2cx+c²
1. x×x = x²
2. 2×x×(-c) = -2cx
3. (-c)×(-c) = c²

b) (a-2b-c)²
= (a-2b-c)(a-2b-c)
= a²-2ab-ac-2ab+4b²+2bc-ca+2bc+c²
= a²-4ab-2ac+4b²+4bc+c²
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Step-by-step explanation:

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But just in case the formulae for finding volume is to multiply is elements. So to find volume multiply is width, length and height.

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Lannister checks out 6 set of books from the library each set has the same number of books she reads 7 of the books and she has
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3

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3 years ago
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3 years ago
I need help on this please
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Answer:

m∠ACB = 82°

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-Chetan K

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