Question

x square - 9 X + 20​

Answer 1

Answer:

$x {}^{2} - 9x + 20 = 0 \\ x {}^{2} - (5x + 4x) + 20 = 0 \\ x {}^{2} - 5x - 4x + 20 = 0 \\ x(x - 5) - 4(x - 5) = 0 \\ (x - 5)(x - 4) = 0 \\ x = 5 \: and \: \: 4$

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Answer 2

Answer:

HEY MATE

Step-by-step explanation:

$x^{2} - 5x - 4x + 20$

$x(x - 5) - 4(x - 5)$

$(x - 4)(x - 5) = 0$

$x = 4$

$x = 5$

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