1. x^3-25x 2. -10a^2-20ab-10b^2 3. 25x^4-36 4. x-x^2+y+y^2

Question

1. x^3-25x 2. -10a^2-20ab-10b^2 3. 25x^4-36 4. x-x^2+y+y^2

Answer 1

Ответ:

1. x(x²-25) = x(x-5)(x+5)

2. -10(a²+2ab+b²) = -10(a+b)²

3. (5x²-6)(5x²+6)

4. (y-x)(y+x)+(y+x) = (y+x)(1+y-x)