Factor this expression completely. u^3 - v^3
1 answer:
Completely factored form of u^3-v^3 is:
Step-by-step explanation:
Algebraic formulas are used to factorize the expression.
Given
The formula involving cube with negative sign is:
Using this formula:
Hence,
Completely factored form of u^3-v^3 is:
Keywords: Factorization
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Answer: $9 per hour at his job as a cashier and $8 per hour at his job delivering newspapers.
Step-by-step explanation:
1. Let's call the amount he got paid per hour at his job as a cashier: .
Let's call the amount he got paid per hour at his job delivering newspapers: .
2. Keeping on mind the information given in the problem above, you can make the following system of equations:
3. You can solve it by applying the Substitution method, as following:
- Solve for one of the variables from one of the equations and substitute it into the other equation to solve for the other variable and calculate its value.
- Substitute the value obtained into one of the original equations to solve for the other variable and calculate its value.
4. Therefore, you have:
Then:
Finally:
Therefore he got paid $9 per hour at his job as a cashier and $8 per hour at his job delivering newspapers.