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10^(2) - 9^(2)= >

100 - 81 ->

19 The answer

Or

Factor

10^(2) - 9^(2) = >

( 10 - 9)(10 + 9) =>

1(19) = 19 As before.

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lenpollock

Lvl 17
3w ago

What else can I help you with?