Różnicę przedstaw w postaci iloczynu wyrażeń algebraicznych.
a) 16- x^2= 4^2- x^2= (4-....) (4+....)
b) a^2 - 64= a^2- ....^2 = (...-...) (...+...)
c) 100 - y^2 = ...^2 - ...^2= (...-...) (...+...)
d) x^2- 36=........................................
e) x^2- y^2=.......................................
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a) =(4-x)(4+x)
b)=a^2-8^2=(a-8)(a+8)
c)=10^2-y^2=(10-y)(10+y)
d)=x^2-6^2=(x-6)(x+6)
e)=(x-y)(x+y)