Question

Resolver: a) (2x-5x²+1).(x ²-2)=
b) (x^3 - ×^4+2). (x+2) = ​

Answer 1

a)

(2x-5x2+1)•(x2-2)

2x3-5x4+x2-4x+10x2-2

-5x4 + 2x3 + 11x2 - 4x - 2

b)

(x3-x4+2)•(x+2)

x4-x5+2x+2x3-2x4+4

-x5 - x4 + 2x3 + 2x + 4