The expression 10x(x² + 9) is equivalent to ax^b+ cx, where a, b, and c are constants. What is the value
of abc ?

Please help me
I need it with explanation

Explanation is in the file

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answer: the mildest forms of push polling are designed merely to remind voters of a particular issue. for instance, a push poll might ask respondents to rank candidates based on their support of an issue in order to get voters thinking about that issue. many push polls are negative attacks on other candidates.