Question

а)(2x-y)(x+y)
б)(a+b)(2a+3b)
в)(3c+a)(2c-a)
г)(6z-y)(2z-y)
д)(5x-c)(x-5c)
е)(4m+3n)(4m+3n)
ж)(3y-2u)(3y+2u)
з)(10x+3z)(10x-5z)

Answer 1

2x^2+yx-y^2
2a^2+5ab+3b^2
6c^2-ac-a^2
12z^2-8zy+y^2
5x^2-26xc+5c^2
16m^2+24mn+9n^2= (4m+3n)^2
(3y)^2-(2u)^2=9y^2-4u^2

Answer 2

а з где?

Answer 3

100x^2-20zx-15z^2

Answer 4

Вот решение))))))))))