Answer:
The required expression is \(3x^3+6x^2+9x+1\).
Step-by-step explanation:
Consider the provided information.
Let x is the variable used in the expression.
The expression should contain 4 terms, thus the powers of x will be:
\(x^3, x^2, x^1=x, x^0=1\)
Now it is given that the coefficients are 3, 6 and 9.
Assign the coefficients 3,6, and 9 with the above power as shown:
\(3x^3+6x^2+9x^1+1\)
\(3x^3+6x^2+9x+1\)
Note: There can be infinite many possible expression with four terms containing the coefficients 3,6, and 9
Hence, the required expression is \(3x^3+6x^2+9x+1\).
