Simplify (14x2−3x+2.25)+(0.75x2+2x−14) ( 1 4 x 2 − 3 x + 2.25 ) + ( 0.75 x 2 + 2 x − 1 4 ) .

To simplify the expression (14x^2 - 3x + 2.25) + (0.75x^2 + 2x - 14), we can combine like terms:

14x^2 + 0.75x^2 - 3x + 2x + 2.25 - 14

Combining the x^2 terms, x terms, and constants:

14.75x^2 - x - 11.75