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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
If you mean +20 then 5(4n-11)-3n+20 simplifies to 17n-35 and so therefore both expressions are equal
(7n - 4)(n + 3)
yes they are
26+17n = -4217n = -68n = -4