Answer:

Step-by-step explanation:
The question is to simplify 
<em>We combine like terms, as in, combine cubes with cubes, squares with squares, numbers with numbers and so on.</em>
- There are 2 cubed terms, so they should be combined.
- There are 2 numbers, so they should be combined.
- Others, leave as is.
So we have:

This is the simplified form of the sum given.
Answer:
(-1, 3)
I hope this helps
if you could, feel free to mark me Brainliest it would be much appreciated :D
Ur close but it is 0.023 you were off just a bit
The algebraic expression of the statement is 4x + 6
<h3>How to determine the
algebraic expression?</h3>
The statement is given as:
The sum of four times a number and six
Rewrite as:
The sum of 4 times a number and 6
Let the number be x
So, we have
The sum of 4 times x and 6
Evaluate the product
The sum of 4x and 6
Evaluate the sum
4x + 6
Hence, the algebraic expression of the statement is 4x + 6
Read more about algebraic expression at
brainly.com/question/4541471
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The answer to 1/7 of 21 is 3.