Q5. - Algebra 2

Question

Write an algebraic expression to represent each verbal expression.

Twice a number decreased by the cube of the same number

Step-by-Step Solution

Answer

The expression is $2x-x^3$.

Step 1- Observe the provided statement

According to the statement there is an unknown number which is multiplied by 2 so consider that number be x. There is a decrement which indicates towards subtraction.

Step 2 – Use the observation

By using the observation form the expression. 

$2x-x^3$

Step 3- Make the conclusion

As the obtained expression is completely matching with the provided statement so the expression $2x-x^3$ is the required expression.