High School

Choose the correct simplification of [tex]\left(4x^3 - 3x - 7\right) + \left(3x^3 + 5x + 3\right)[/tex].

A. [tex]7x^3 - 2x - 4[/tex]

B. [tex]x^3 - 8x - 10[/tex]

C. [tex]7x^3 + 2x - 4[/tex]

D. [tex]x^3 + 8x + 10[/tex]

Answer :

Answer:

option C:

7x³ + 2x - 4

Step-by-step explanation:

given expression is:

(4x³ - 3x - 7) + (3x³ + 5x + 3)

= 4x³ - 3x - 7 + 3x³ + 5x + 3

combining the like terms:

= 4x³ + 3x³ - 3x + 5x - 7 + 3

= 7x³ + 2x - 4

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