Mathematics, 05.03.2021 15:10, takeshiscrb

ALGEBRICAL EXPRESSIONS using identity find
1) 9.7×9.8
2) (4x-7y)²
3) 99²
4) 497×505
5) (z²+2) (z²-3)

Answers: 3

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ALGEBRICAL EXPRESSIONS using identity find
1) 9.7×9.8
2) (4x-7y)²
3) 99²
4) 49...