High School

Simplify: (3x – 1) (x3 + 2x + 1)

o A. 3x4 + 6x2 + 2 - 1

O B. 3x4 – 23 + 6x2 + x – 1

C. 2x3 + 6x2 + x +1

O D. 3x4 + 203 + 6x2 + 1

Simplify 3x 1 x3 2x 1 o A 3x4 6x2 2 1 O B 3x4 23 6x2 x 1 C 2x3 6x2 x 1 O

Answer :

Answer:

B: 3x4-x3+6x2+x-1

Answer:

[tex]3x^4-x^3+6x^2+x-1[/tex]

Step-by-step explanation:

Distribute parentheses:

[tex]3xx^3 + 3x * 2x + 3x * 1 + (-1)x^3 + (-1) * 2x + (-1) * 1[/tex]

Add minus and plus rules:

[tex]3x^3x + 3 * 2xx + 3 * 1 * x - 1 * x^3 - 1 * 2x - 1 * 1[/tex]

Simplify:

[tex]3x^4-x^3+6x^2+x-1[/tex]

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