Question

1)(b-2)(b+2) 2)(2m-1)(m-3) 3)(p²+1)(p²-1) 4)(x-6)(x²-3x+5)

Answer 1

Ответ:

b²-4

2m²-7m+3

p⁴-1

x³-9x²+23x-30

Answer 2

1) (b-2)(b+2) = b^2 - 4 2) (2m-1)(m-3) = 2m^2 - 7m + 3 3) (p²+1)(p²-1) = p^4 - 1 4) (x-6)(x²-3x+5) = x^3 - 3x^2 + 5x - 6x^2 + 18x - 30 = x^3 - 9x^2 + 23x - 30