Answer:
[tex]x =2m {}^{2} - 2p[/tex]
Step-by-step explanation:
[tex]p=m^{2}-\frac{x}{2}\\\\p+\frac{x}{2}=m^{2}\\\\\frac{x}{2}=m^{2}-p\\\\x = 2*(m^{2}-p)\\\\x = 2m^{2}-2p[/tex]