Question

Разложите на множители(фсу):

Answer 1

3)   ......=(1.3y^7-30z^4)(1.3y^7 +90z^40
4)   .......=36a^6b^(10) - 1=(6a³b^5 -1)(6a³b^5+1)
5)   ........=49/25 m^6 m^4 - 25/16 a²b^8=(7/5 m³n² - 5/4 ab^4)(7/5 m³n² +5/4 ab^4)=(1 2/5 m³n² - 1 1/4 ab^4)(1 2/5 m³n²+1 1/4 ab^4)