Subtract these polynomials. (3x2 + 2x + 4) - (x2 + 2x + 1) = a. 2x2 + 5 b. 2x2 + 4x + 3 c. 2x2 + 3 d. 2x2 + 4x + 5

C is the correct options.

Step-by-step explanation:

The given polynomial is

Distribute the negative sign over the parenthesis

Now, group the like terms

Combine the like terms

Thus, the expression after subtracting the polynomials is  

C is the correct options.

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25