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irina [24]
3 years ago
15

How to factorize a²-21ab-100b²

Mathematics
1 answer:
Galina-37 [17]3 years ago
8 0
(a-25b)(a+4b)=0
Use the quadratic formula or complete the square by looking at the factors
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Read 2 more answers
.....................
iris [78.8K]
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