(a - 4)(a - 1) - (a - 2)^2=a^2-5a+4- a^2+4a-4= -a
3x(x-3)-x(3x+5)= 3x^2-9x-3x^2-5x= -14x
2(y+5)^2-2 = 2y^2+20y+50-2= 2y^2+20y+48
4 - x^2 = (2-x)(2+x)
4c^ - c = c*(4c-1)
6a^2 - 12ab + 6b^2 = 6 (a-b) ^2
64-x=0
X=64
x^3 + 4x + 2x^2 + 8 = 0
x(x^2+4)+2(x^2+4)=0
(x+2)(x^2+4)
x= -2 и x= 2
36a^3 - a=0
a(36a^2-1)=0
36a^2=1
a^2=0.02778
a= 0.16667 и a=0
(a - 4)(a - 1) - (a - 2)^2=a^2-5a+4- a^2+4a-4= -a
3x(x-3)-x(3x+5)= 3x^2-9x-3x^2-5x= -14x
2(y+5)^2-2 = 2y^2+20y+50-2= 2y^2+20y+48
4 - x^2 = (2-x)(2+x)
4c^ - c = c*(4c-1)
6a^2 - 12ab + 6b^2 = 6 (a-b) ^2
64-x=0
X=64
x^3 + 4x + 2x^2 + 8 = 0
x(x^2+4)+2(x^2+4)=0
(x+2)(x^2+4)
x= -2 и x= 2
36a^3 - a=0
a(36a^2-1)=0
36a^2=1
a^2=0.02778
a= 0.16667 и a=0