deasiamarie9 deasiamarie9

23-04-2020
Mathematics

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How to solve answer and explanation

How to solve answer and explanation class=

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wegnerkolmp2741o wegnerkolmp2741o

23-04-2020

Answer:

j= -4,6

Step-by-step explanation:

j^2 -2j -24 =0

Factor

What 2 numbers multiply to -24 and add to -2

-6*4 = -24

-6+4 = -2

(j-6) (j+4) =0

Using the zero product property

j-6 =0 j+4 =0

j =6 j=-4

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