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Help please..................thank you

Help please..................thank you
asked 215k views
5 votes
Help please..................thank you

Help please..................thank you-example-1
asked
User Guy Schalnat
by
8.5k points

1 Answer

1 vote
a²-b²=(a-b)(a+b)
100A²-49B²=10²A² - 7²B²= (10A-7B)(10A+7B)
Correct answer is A.
answered
User David Clarke
by
8.4k points
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