25a²-9b²=(5a-3b)(5a+3b)
27x⁶+1=(3x²+1)(9x⁴+3x²+1)
0,36b²-1,2bc+c²=(0,6b)²-2*0,6b*c+c²=(0,6b-c)²
(x+6)²-(x-3)²=(x+6-(x-3))(x+6+(x-3))=(x+6-x+3)(x+6+x-3)=9(2x+3)
25a²-9b²=(5a-3b)(5a+3b)
27x⁶+1=(3x²+1)(9x⁴+3x²+1)
0,36b²-1,2bc+c²=(0,6b)²-2*0,6b*c+c²=(0,6b-c)²
(x+6)²-(x-3)²=(x+6-(x-3))(x+6+(x-3))=(x+6-x+3)(x+6+x-3)=9(2x+3)