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x=85
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x≔85
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x=4+225-16\times 3^{2}
Multiply 75 and 3 to get 225.
x=229-16\times 3^{2}
Add 4 and 225 to get 229.
x=229-16\times 9
Calculate 3 to the power of 2 and get 9.
x=229-144
Multiply 16 and 9 to get 144.
x=85
Subtract 144 from 229 to get 85.
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