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descompuneti in factori : ( 6x 2 ) la a 2 - 100 y la a 8 =

Răspuns :

(6×2)²-100y^8=(12)²-10²(4^4)2=12²-(10y^4)²=(12-10y^4)(12+10y^4)
am aplicat a²-b²=(a-b)(a+b)
"^"=la puterea
36b²-25=6²b²-5²=(6b)²-5²=(6b-5)(6b+5)