SOLUTION: i need help solving 21-17t+2t^2
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Question 421162: i need help solving 21-17t+2t^2
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
i need help solving 21-17t+2t^2
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a = 2 ; b = -17 ; c = 21
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Quadratic formula:
t = [17 +- sqrt(17^2-4*2*21)]/4
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t = [17 +- sqrt(121)]/4
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t = [17 +- 11]/4
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t = (17+11)/4 or t = (17-11)/4
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t = 7 or t = 3/2
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Factors would be (7-t)(3-2t)
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Cheers,
Stan H.
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