(y^2-2a)(2a+y^2)=(y^2-2a)(y^2+2a)=y^4-4a^2
(3x^2+x)^2=9x^4+6x^3+x^2
(2+m)^2(2-m)^2=((2+m)(2-m))^2=(4-m^2)^2=16-8m^2+m^4
4x^2y^2-9a^4=(2xy-3a^2)(2xy+3a^2)
25a^2-(a+3)^2=(5a-a-3)(5a+a+3)=(4a-3)(6a+3)
27m^3+n^3=(3m+n)(9m^2-3mn+n^2)
выполните действия;
(y^2-2a)(2a+y^2) = y⁴-4a²
(3x^2+x)^2= 9x⁴+6x³+x²
(2+m)^2(2-m)^2=[(2+m)(2-m)]²=[4-m²]²=16-8m²+m⁴
разложите на множители:
4x^2y^2-9a^4=(2xy-3a²)(2xy+3a²)
25a^2-(a+3)^2=[5a-(a+3)][5a+a+3]=(4a-3)(6a+3)
27m^3+n^3=(3m+n)(9m²-3mn+n²)
(y^2-2a)(2a+y^2)=(y^2-2a)(y^2+2a)=y^4-4a^2
(3x^2+x)^2=9x^4+6x^3+x^2
(2+m)^2(2-m)^2=((2+m)(2-m))^2=(4-m^2)^2=16-8m^2+m^4
4x^2y^2-9a^4=(2xy-3a^2)(2xy+3a^2)
25a^2-(a+3)^2=(5a-a-3)(5a+a+3)=(4a-3)(6a+3)
27m^3+n^3=(3m+n)(9m^2-3mn+n^2)
выполните действия;
(y^2-2a)(2a+y^2) = y⁴-4a²
(3x^2+x)^2= 9x⁴+6x³+x²
(2+m)^2(2-m)^2=[(2+m)(2-m)]²=[4-m²]²=16-8m²+m⁴
разложите на множители:
4x^2y^2-9a^4=(2xy-3a²)(2xy+3a²)
25a^2-(a+3)^2=[5a-(a+3)][5a+a+3]=(4a-3)(6a+3)
27m^3+n^3=(3m+n)(9m²-3mn+n²)