Question

ПОМОГИТЕ ПОЖАЛУЙСТА ​

Answer 1

1) b² – d² = (b – d)(b + d)

2) x² – 1 = (x – 1)(x + 1)

3) –x² + 1 = 1 – x² = (1 – x)(1 + x)

4) 36 – c² = 6² – c² = (6 – c)(6 + c)

5) 4 – 25a² = 2² – (5a)² = (2 – 5a)(2 + 5a)

6) 49a² – 100 = (7a)² – 10² = (7a – 10)(7a + 10)