Question

2x+4
$x {}^{2} - 15x + 54 = 0$
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Answer 1

Answer:

${x}^{2} -15x + 54 = 0 \\ so \: {x }^{2} - 9x - 6x + 54 \\ = x(x - 9) - 6(x - 9) \\ (x - 6)(x - 9)$