Question

sendo A= x+5 B= x²+2x+1 e C= 2x²-4, determine:

c)A.B.C

Answer 1

A.B.C

(x+5)(x²+2X +1)(2X²-4) MULTIPLICAR A E B

(X³ +2X² +X +5X² +10X-20) (2X² -4)

2X⁶ +4X⁴ +2X³ +10X⁴ +20X³ +40

2X⁶ +4X⁴+10X⁴ +2X³ +20X³ +40

2x⁶ +14x⁴ +22x³ +40

2X(X⁵ +7X³ +11X²+20)