Question

Разложите на множители 1)c²-0.25 2) 144-m² 3)1.69-b² 4)25x²-1

Answer 1

1)(c-0.5)(c+0.5)
2)(12-m)(12+m)
3)(1.3-b)(1.3+b)
4)(5x-1)(5x+1)