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What is 3x^2 - 5x^3 (5 + 7)?

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant. given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.

Solve for x where 0 equation: cot^2x+2cotx+1=0

The difference between the measures of two complementary angles is 14. find the measure of both angles.