1) x^2 - 16 = (x + 4)(x - 4)2) 25 - y^2 = (5 + y)(5 - y)3) 64b^2 - a^2 = (8b + a)(8b - a)4) 81 - 0,01x^6 = (9 + 0,1x^3)(9 - 0,1x^3)
1) x^2 - 16 = (x + 4)(x - 4)
2) 25 - y^2 = (5 + y)(5 - y)
3) 64b^2 - a^2 = (8b + a)(8b - a)
4) 81 - 0,01x^6 = (9 + 0,1x^3)(9 - 0,1x^3)