Add $3 p^{2}-3 a\left(y-z^{2}\right), 9 a\left(y-z^{2}\right)-6 p$ , And $12 p c-7 a\left(y-x^{2}\right)$

Short Answer

Add $3 p^{2}-3 a\left(y-z^{2}\right), 9 a\left(y-z^{2}\right)-6 p$ , and $12 p c-7 a\left(y-x^{2}\right)$ .