madiness05
11.06.2021 •
Mathematics
Which is a true statement?
A. m^2– n^2 = (m-n)(m-n)
B. m^2 + n² = (m + n) (m + n)
c. m^3 - n^3= (m - n) (m^2+ mn + n^2)
D. m^3+ n^3 = (m+n)(m^2 + mn +n^2)
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Ответ:
C-true
Step-by-step explanation:
A-false
B-false
C-true
D-false
used substitution
Ответ: