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04-08-2020
Mathematics

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X^2- 4x- 21 as a product of binominal factors

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wegnerkolmp2741o wegnerkolmp2741o

04-08-2020

Answer:

( x-7) (x+3)

Step-by-step explanation:

X^2- 4x- 21

What two numbers multiply to -21 and add to -4

-7 * 3 = -21

-7+3 = -4

( x-7) (x+3)

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