SOLUTION: Solve using the quadratic formula: t^2+8t=16

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Question 899467: Solve using the quadratic formula:
t^2+8t=16
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
t%5E2%2B8t-16=0 and not a perfect square trinomial.

Discriminant, 8%5E2-4%2A1%2A%28-16%29=64%2B4%2A16=128
128=64%2A2=8%5E2%2A2

t=%28-8%2B-+sqrt%282%2A8%5E2%29%29%2F2
t=%28-8%2B-+8sqrt%282%29%29%2F2
highlight%28t=-4%2B-+4%2Asqrt%282%29%29