Question

How to solve " title=" \frac{a(a - 5)}{6} - 1 = 0" alt=" \frac{a(a - 5)}{6} - 1 = 0" align="absmiddle" class="latex-formula">
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Answer 1

Answer:

a = -1 and 6

Step-by-step explanation:

$\frac{a(a - 5)}{6} = 1$

$a(a - 5) = 6$

${a}^{2} - 5a = 6$

${a}^{2} - 5a - 6 = 0$

$(a + 1)( a- 6)$

a = -1 and a = 6