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horrorfan [7]
3 years ago
5

What is the factored form of 8x24-27y6

Mathematics
2 answers:
rodikova [14]3 years ago
8 0

Answer:

(2x8 - 3y2) • (4x16 + 6x8y2 + 9y4)

Step-by-step explanation:

Mariulka [41]3 years ago
7 0

For this case we must factor the following expression:

8x^{24} -27y ^ 6

So:

We rewrite 8x^{24}\ as\ (2x ^ 8) ^ 3

We rewrite27y ^ 6\ as\ (3y ^ 2) ^ 3

(2x ^ 8) ^ 3- (3y ^ 2) ^ 3

Since both terms are perfect cubes, factor using the cube difference formula:

a ^ 3-b ^ 3 = (a-b) (a ^ 2 + ab + b ^ 2)

Where:

a = 2x ^ 8\\b = 3y ^ 2

Rewriting:

(2x ^ 8-3y ^ 2) ((2x ^ 8) ^ 2 + (2x ^ 8) (3y ^ 2) + (3y ^ 2) ^ 2) =\\(2x ^ 8-3y ^ 2) (4x ^{16} + 6x ^ 8y ^ 2 + 9y ^ 4)

ANswer:

Option C

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