Choose the correct sum of the polynomials (2x3 − 5x − 1) + (4x3 + 8x + 3). 2x3 − 3x − 4 6x3 + 3x + 2 2x3 + 3x + 2 6x3 − 3x − 2

Option (2) is correct.

The sum of polynomials is

Step-by-step explanation:

Given : Polynomials

We have to find the sum of the given polynomial and choose the correct option from the given options.

Consider the given polynomial  

Sum is represented as

Remove brackets, we have,

Grouping like terms, we have,

Adding similar terms, we have,

Simplify, we have,

Thus, The sum of polynomials is

step-by-step explanation:

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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