Answer
-4y$^2$-7y+5
Work Step by Step
Distribute the negative sign to the parentheses and then combine terms vertically.
$\quad7y^2-5y+2$
$\underline{-(11y^2+2y-3)}$
$\qquad\quad\downarrow$
$\quad7y^2-5y+2$
$\underline{-11y^2-2y+3}$
$\;-4y^2-7y+5$
