Question

${x}^{2} + 12x + 27$
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Answer 1

${x}^{2} + 12x + 27 = 0 \\ {x}^{2} + 3x + 9x + 27 = 0 \\ x(x + 3) + 9(x + 3) = 0 \\ (x + 9)(x + 3) = 0 \\ x = - 9 \: or \: - 3$

hope it helps you

Answer 2

x2 + 12x + 27

x2+ 9x+ 3x + 27

x( x+ 9) + 3(x+9)

(x+3) (x+9)

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