Question

решить уравнение. ( x- 1)²= ( x+ 1)²+4; разложи на множители: 3m- 6m²; 6x+ 12x²; 2x²y- 2x²; 8a⁵+28a³; 4x³y³-5x²y³; 3a³-6a²+12a; 36-x²; 81a²-1; 25m²-4n²

Answer 1

1) х^2-2х+1=х^2+2х+1
-2х=2х
-4х=0
х=0

Answer 2

6m^2=2m×3m

Answer 3

12x^2=6x×2x

Answer 4

2x^2 y=2x^2×y