Объяснение:
x²-16x=x(x-4)=x(x-2)(x+2)
144c-c³=c(144-c²)=c(12-c)(12+c)
8p²+16ap+8a²=8p²+8ap+8ap+8a²= 8p(p+a)+8a(p+a)=
=(p+a)(8p+8a)=8(p+a)(p+a)
-9n²-18nm-9m²=-9(n²+2nm+m²)= -9(n+m)²= -9(n+m)(n+m)
a²-x²-6x-9= a²-(x²+6x+9)=a²-(x+3)²=(a+x+3)(a-x-3)
Объяснение:
x²-16x=x(x-4)=x(x-2)(x+2)
144c-c³=c(144-c²)=c(12-c)(12+c)
8p²+16ap+8a²=8p²+8ap+8ap+8a²= 8p(p+a)+8a(p+a)=
=(p+a)(8p+8a)=8(p+a)(p+a)
-9n²-18nm-9m²=-9(n²+2nm+m²)= -9(n+m)²= -9(n+m)(n+m)
a²-x²-6x-9= a²-(x²+6x+9)=a²-(x+3)²=(a+x+3)(a-x-3)