160
Объяснение:
(8b-8)(8b+8)-8b(8b+8)=64b²+64b-64b-64
-64b²-64b=-64b-64=-64(b+1)
-64(-3.5+1)=-64•(-2.5)=160
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160
Объяснение:
(8b-8)(8b+8)-8b(8b+8)=64b²+64b-64b-64
-64b²-64b=-64b-64=-64(b+1)
-64(-3.5+1)=-64•(-2.5)=160