Solve for Δ
\Delta =900
Assign Δ
\Delta ≔900
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\Delta =3600-4\times 9\times 75
Calculate 60 to the power of 2 and get 3600.
\Delta =3600-36\times 75
Multiply 4 and 9 to get 36.
\Delta =3600-2700
Multiply 36 and 75 to get 2700.
\Delta =900
Subtract 2700 from 3600 to get 900.
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