(1)原式=a(x²+2a+a²)=a(x+a)²
(2)原式=3a²(2a - 3)
(3)原式=16x²y²z²(1+3x² - 6z²)
(4)原式=0,(5)原式=0,
(6)原式=2ab(a+b)(2 - 3a)
(7)原式=(x+10)(x-10)
(8)原式=(ab+1/3)(ab - 1/3)
(9)原式=(2a+3b)(2a - 3b)
(10)原式=(5 - 4a²)(5+4a²)
(11)原式=(3/10x - 4y²)(3/10x+4y²)
(1)原式=a(x²+2a+a²)=a(x+a)²
(2)原式=3a²(2a - 3)
(3)原式=16x²y²z²(1+3x² - 6z²)
(4)原式=0,(5)原式=0,
(6)原式=2ab(a+b)(2 - 3a)
(7)原式=(x+10)(x-10)
(8)原式=(ab+1/3)(ab - 1/3)
(9)原式=(2a+3b)(2a - 3b)
(10)原式=(5 - 4a²)(5+4a²)
(11)原式=(3/10x - 4y²)(3/10x+4y²)