Which shows the factored form of x2 – 12x

Chris Thornton asked Nov 15, 2022

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20 votes

Which shows the factored form of x2 – 12x – 45?

Chris Thornton asked Nov 15, 2022

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12 votes

Answer:

(x - 15) ( x + 3)

Explanation:

x² - 12x - 45

= x² - (15 - 3)x - 45

= x² - 15x + 3x - 45

= x(x - 15) + 3(x - 15)

= (x - 15) ( x + 3)

Charlesthk answered Nov 21, 2022

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