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Q: Arrange 3x2 - 6x4 plus 2 plus 4x in order by decreasing powers of x?

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No. A polynomial is an expression of more than two algebraic terms, and usually contains different powers of the same variable.

(3x + 4)(3x + 4)

Im not sure if you can type the numbers smaller so just know that all the numbers in this answer should be powers. x4+y2-z3

(10 + 1) x 10/2

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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There is a special function for it. It's called sort(...). You need to include algorithms header in your project.

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4n3 - 12n2 - 7n + 9

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Input the numbers into an array, sort the numbers in descending order, then print the results. If there are fewer than, say, 20 numbers, then a bubble sort will suffice. Otherwise use a more advanced sorting algorithm such as quick sort.

#include<iostream> #include<algorithm> void arrange (int* arr, const size_t size) { std::sort (arr, arr+size); } int main () { int a[8] {7, 19, 13, 2, 17, 5, 3, 11}; arrange (a, 8); for (auto a : x) std::cout << x << ' '; std::cout << std::endl; }

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