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Factor the monomial completely 42a3b3

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.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1