Follow the algebraic order of operations. I see no parenthesis (grouping), so it will be 16 + 25 + 7 - 4 + 33 = 41+ 7 - 4 + 33 = 48 - 4 + 33 = 44 + 33 = 77
be aware that non-scientific calculators such as those found at 99 cent stores do not follow the algebraic order of operations. Scientific calculators do.
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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.
(b-4) squared
9x squared plus 16 = 0 factored is plus and minus 4/3 i.
It simplifies to 5a+4 !
2x squared minus 4