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
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6 + n = 17n = 17 - 6Therefore, n = 11.
(7n - 4)(n + 3)
6x12=72+654=726+555= 1281
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8n-2+4n = 66-5n 8n+4n+5n = 66+2 17n = 68 n = 4