Упростите выражение
а) -6(m+4)(m-4)
b) (5a²- b)(b+5a²)-25a^4
d) 0,36n²-(0,6n-n²)(0,6n+n²)
а) -6(m+4)(m-4)
b) (5a²- b)(b+5a²)-25a^4
d) 0,36n²-(0,6n-n²)(0,6n+n²)
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Answers & Comments
b) (5a²- b)(b+5a²)-25a^4=25a^4-b²-25a^4=-b²
d) 0,36n²-(0,6n-n²)(0,6n+n²)=0,36n²-0,36n²+n^4=n^4