Solve for Δ
\Delta =18
Assign Δ
\Delta ≔18
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\Delta =18-\left(-4\times 0\right)
Multiply 4 and -1 to get -4.
\Delta =18-0
Multiply -4 and 0 to get 0.
\Delta =18
Subtract 0 from 18 to get 18.
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