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ivanovarimma43
@ivanovarimma43
March 2022
1
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49 м в квадрате - ( н + 8 м ) в квадрате
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oppression
Разложить на множители:
49m²-(n+8m)²=(7m-(n+8m))(7m+n+8m)=(7m-n-8m)(15m+n)=(-m-n)(15m+n).
Упростить:
49m²-(n+8m)²=49m²-(n²+16mn+64m²)=49m²-n²-16mn-64m²=-15m²-n²-16mn.
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ivanovarimma43
большое спасибо
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Answers & Comments
49m²-(n+8m)²=(7m-(n+8m))(7m+n+8m)=(7m-n-8m)(15m+n)=(-m-n)(15m+n).
Упростить:
49m²-(n+8m)²=49m²-(n²+16mn+64m²)=49m²-n²-16mn-64m²=-15m²-n²-16mn.