SOLUTION: Solve the equation: T squared + (T - 2)squared= 130 a. T= 0; T=2 b. T=-9; T=-7 c. T=-9; T=7 d. T=9; T=-7 Thank you!

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Solve the equation: T squared + (T - 2)squared= 130 a. T= 0; T=2 b. T=-9; T=-7 c. T=-9; T=7 d. T=9; T=-7 Thank you!      Log On


   

Question 167006: Solve the equation: T squared + (T - 2)squared= 130
a. T= 0; T=2
b. T=-9; T=-7
c. T=-9; T=7
d. T=9; T=-7
Thank you!
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
T%5E2%2B%28T-2%29%5E2=130
T%5E2%2B%28T%5E2-4T%2B4%29=130
2T%5E2-4T%2B4=130
2T%5E2-4T-126=0
T%5E2-2T-63=0
%28T-9%29%28T%2B7%29=0
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T-9=0
T=9
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T%2B7=0
T=-7
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D)