Evaluate
6+8t-2t^{2}-2s^{2}
Factor
2\left(3+4t-t^{2}-s^{2}\right)
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8t-6s^{2}+4s^{2}-2t^{2}+6
Use the distributive property to multiply 1 by 8t-6s^{2}.
8t-2s^{2}-2t^{2}+6
Combine -6s^{2} and 4s^{2} to get -2s^{2}.
2\left(4t-3s^{2}+2s^{2}-t^{2}+3\right)
Factor out 2.
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