MCQ
Tick $(\checkmark)$ the correct answer:
$\left(3 q+7 p^2-2 r^3+4\right)-\left(4 p^2-2 q+7 r^3-3\right)=?$
$\left(3 q+7 p^2-2 r^3+4\right)-\left(4 p^2-2 q+7 r^3-3\right)=?$
- A$\left(p^2+2 q+5 r^3+1\right)$
- B$\left(11 p^2+q+5 r^3+1\right)$
- C$\left(-3 p^2-5 q+9 r^3-7\right)$
- ✓$\left(3 p^2+5 q-9 r^3+7\right)$