Question

Разложите на множители 25- b².

1)(5+b)(5+b)

2)(25-b)(25+b)

3)(5-b)(5-b)

4)(625-b)(625+b)

5)(5-b)(5+b)​

Answer 1

Ответ: 25- b²=5²- b²=(5-b)(5+b)