Question

$12 {?}^{2} x + 56x + 9$
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Answer 1

Answer:

${12x}^{2} + 56x + 9$

${12x}^{2} + 54x + 2x + 9$

${12x}^{2} + 2x + 54x + 9$

2x(6x+1)+9(6x+1)

(9+2x)(6x+1)

$x = \frac{ - 9}{2} \: and \: x = \frac{ - 1}{6}$

here is your answer

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