(c-6)²=с²-12с+36
(2a-3b)²=4a²-12ab+9b²
(5-a)(5+a)=25-a²
(7x+10y)(10y-7x)=100y²-49x²
(a+7)²=a²+14a+49
(3x-4y)²=9x²-24xy+16y²
(m-6)(m+6)=m²-36
(5a+8b)(8b-5a)=64b²-25a²
(c-6)²=с²-12с+36
(2a-3b)²=4a²-12ab+9b²
(5-a)(5+a)=25-a²
(7x+10y)(10y-7x)=100y²-49x²
(a+7)²=a²+14a+49
(3x-4y)²=9x²-24xy+16y²
(m-6)(m+6)=m²-36
(5a+8b)(8b-5a)=64b²-25a²