(T+1)Squerd+(T-8)Squerd=65, Hot To Answer

(t+1)squerd+(t-8)squerd=65


hot to answer

Answer:

2t^2 - 14t = 48

Step-by-step explanation:

(t + 1)^{2}  + (t - 8)^{2}  = 65 \\  {t}^{2}  + 2t + 1 +   {t}^{2}  - 16t     +  16 = 65 \\  {t}^{2}  +  {t}^{2}  + 2t   +  16t = 65   -  16 - 1 \\  {2t}^{2}  - 14t = 48

Factor, rearrange, then simplify.


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