(5 + x)^2 = 5^2 + 2 * 5 * x + x^2
(1 - 3x)^2 = 1^2 - 2 * 1 * 3x + 9x^2
(3a - 10b)^2 = 9a^2 - 2*3a*10b + 100b^2
(x^2 + 4)^2 = x^4 + 2*4x^2 + 16
(5+х)^2=25+10x+x^2;
(1-3)^2=1-6+9=4;
(3a-10b^2)=9a^2-60ab+100b^2;
(x^2+4)^2=x^4+8x^2+16;
4+4a+a^2=(2+a)^2;
a^2-8ab+16b^2=(a-4b)^2;
(2x-5)^2+20x=4x^2-20x+25+20x=4x^2+25;
36c-3(1+6c)^2=36c-3(1+12c+36c^2)=36c-3-36c-108c^2=-3-108c^2
(5 + x)^2 = 5^2 + 2 * 5 * x + x^2
(1 - 3x)^2 = 1^2 - 2 * 1 * 3x + 9x^2
(3a - 10b)^2 = 9a^2 - 2*3a*10b + 100b^2
(x^2 + 4)^2 = x^4 + 2*4x^2 + 16
(5+х)^2=25+10x+x^2;
(1-3)^2=1-6+9=4;
(3a-10b^2)=9a^2-60ab+100b^2;
(x^2+4)^2=x^4+8x^2+16;
4+4a+a^2=(2+a)^2;
a^2-8ab+16b^2=(a-4b)^2;
(2x-5)^2+20x=4x^2-20x+25+20x=4x^2+25;
36c-3(1+6c)^2=36c-3(1+12c+36c^2)=36c-3-36c-108c^2=-3-108c^2