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Put n = 1, 2, 3, 4 etc in the expression 5n + 2 and evaluate to get the sequence.
The variable is d, in the algebraic expression 7d+2
The variable is "d".
5n2 + 17n + 6 is a quadratic expression. It can be factorised as 5n2 + 17n + 6 = (5n + 2)(n + 3). The expression can be expressed as equal to to a fixed or variable amount when it becomes a function of n. Example : 5n2 + 17n + 6 = 7 or y = 5n2 + 17n + 6
5n-2+2=4n 5n=4n n=0