Question

Разложите на множители :
2а2-2b2

cx2-cy2

3x2-3

x3-4x

2y3-18y


x4-x2


3ab2-27a


Помогите пожалуйста даю 20 балов

Answer 1

1) 2(a2-b2)=2(a-b)(a+b)

2) c(x2-y2)=c(x-y)(x+y)

3) 3(x2-1)=3(x-1)(x+1)

и т.д

Answer 2

2(a²-b²)= 2(a-b)(a+b)

c(x²-y²)= c(x-y)(x+y)

3(x²-1)= 3(x-1)(x+1)

x(x²-4)= x(x-2)(x+2)

2y(y²-9)= 2y(y-3)(y+3)

x²(x²-1)= x²(x-1)(x+1)

3a(b²-9)= 3a(b-3)(b+3)