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olganol [36]
3 years ago
14

Expand & simplify(9x - y) (9x + y)​

Mathematics
1 answer:
grandymaker [24]3 years ago
5 0

Answer:

81x^{2}- y^{2} this is the answer

Step-by-step explanation:

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Since we know that the triangle is a right triangle we also know that the angle would be 90 degrees

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