Solve for Δ
\Delta =4
Assign Δ
\Delta ≔4
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\Delta =64-4\times 1\times 15
Calculate -8 to the power of 2 and get 64.
\Delta =64-4\times 15
Multiply 4 and 1 to get 4.
\Delta =64-60
Multiply 4 and 15 to get 60.
\Delta =4
Subtract 60 from 64 to get 4.
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