Hope this will help..........
Answer:
[tex]thank \: you[/tex]
Step-by-step explanation:
[tex]a = 7 \\ b + c = 67 \\we \: want \: to \: find \: {a}^{2} + ab + ac \\ {a}^{2} + a(b + c) \\ = {7}^{2} + 7(67) \\ = 49 + 469 \\ = 518 \\ thank \: you[/tex]
