Question

(x+1) (x³+x²+x-1) Rapid​

Answer 1

Răspuns:

(X+1)(X³+X²+X-1)=X^4+X³+X²+X-1=X^4+2X³+2X²-1

Answer 2

(x+1) (x³+x²+x-1)=

x·x³+x·x²+x·x-x+x³+x²+x-1=

x⁴+x³+x²-x+x³+x²+x-1=

x⁴+x³+x²+x³+x²-1=

x⁴+2x³+x²+x²-1=

x⁴+2x³+2x²-1

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