Question

Разложите на множители: 16b2 − (4 − b)2 .

Answer 1

= (4в -(4-в))· (4в+ (4-в))= (4в-4+в) (4в-4-в)=(5в-4)(3в-4)

Answer 2

16b2 - (4-b)2=(4b-(4-b))(4b+(4-b))