assuming that there are no parentheses around the (7-1) then it should be 10.7
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-144
You can take an x squared out of both of those, leaving x squared times x plus or minus three depending on what your operation is.
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Two plus 3 minus 2 times 1 squared plus 4 times 16 squared minus 4 times 2 is equal to 1,019.
81 x 2 - 16 = 146