Question

a²- 36a+99 Factories the question
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Answer 1

Step-by-step explanation:

$answer$

${a}^{2} - 36a + 99$

Answer 2

Answer:

${a}^{2} - 17a - 60$

${a}^{2} + 20a - 3a - 60 = 0$

$a(a + 20) - 3(a + 20) = 0$

$(a - 3)(a + 20) = 0$

$a = 3 \: or \: a = - 20$