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Mathematics 16 Online
OpenStudy (anonymous):

Help PLEASE ? d^2 + 10d + 9 a. (d + 9)(d – 1) b. (d – 9)(d + 1) c. (d – 9)(d – 1) d. (d + 9)(d + 1)

OpenStudy (dobby1):

ok this is easy you just have to solve the problems listed as your answers to see witch one creates your equation

OpenStudy (dobby1):

are you there?

OpenStudy (anonymous):

YES IM HERE SO IM GETING d

OpenStudy (dobby1):

you are correct

OpenStudy (anonymous):

CAN YOU HELP ME WITH THIS ONE k^2 + kf – 2f^2

OpenStudy (dobby1):

give me the answer choices listed and I will help you with it. It is easier to do these using the answer choices

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

a. (k – 2f)(k + f) b. (k + 2f)(k – f) c. (k + 2f)(k + f) d. (k – 2f)(k – f)

OpenStudy (dobby1):

it is the same thing as the last one complete the multiplication that is showed in each answer tell me which one you think it is and I will check it for you

OpenStudy (anonymous):

Try b. first.

OpenStudy (dobby1):

dont go give out answers the best way to teach someone is to have them do it them selves then correct their mistakes

OpenStudy (anonymous):

thanks but i have more i still dont get how to solve it

OpenStudy (anonymous):

w^2 + 18w + 77

OpenStudy (dobby1):

ok I am going to give you an answer and will give you choices to help solve it and I will show you that way

OpenStudy (anonymous):

okay

OpenStudy (dobby1):

k^2-25 (k-5)(k-5) (k+5)(k+5) (k+5)(k-5)

OpenStudy (dobby1):

the way you find these kinds of questions is by multiplying the equations listed as answers. I know that you know how to do that so you already know what to do. which ever one of the equations listed as answers gives you your original equation is the answer. That is how you complete those equations

OpenStudy (dobby1):

you still there?

OpenStudy (anonymous):

yes i'm try to figure it out but its tricky

OpenStudy (dobby1):

ok wich one are you on

OpenStudy (anonymous):

the middle one

OpenStudy (dobby1):

ok what do you have for it right now

OpenStudy (anonymous):

(k+5)(k+5) = k10

OpenStudy (anonymous):

k25

OpenStudy (dobby1):

k25? that is not going to be part of the answer

OpenStudy (anonymous):

i dont even know how to do this Honestly these teacher dont even help

OpenStudy (dobby1):

ok let me help

OpenStudy (dobby1):

|dw:1408649592186:dw|

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