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Mathematics 8 Online
OpenStudy (anonymous):

What are the solutions of the system? y= x^2 - 2x -2 y = 4x + 5

OpenStudy (anonymous):

So, you would like to find x and y?

OpenStudy (anonymous):

yes... multiple choice a. (-1,1) and (-7,-23) b. (-1,1) and (7,33) c. (-1,33) and (7,1) d. no solution

OpenStudy (anonymous):

I have to go. @matt101 Could you help with this?

OpenStudy (moongazer):

(x-7) (x+1)

OpenStudy (anonymous):

thanks for your time moongazer!

OpenStudy (moongazer):

do you know whats next?

OpenStudy (moongazer):

it is not yet the answer

OpenStudy (moongazer):

you need to substitute the two values of x to the variable x in that equation to get the y

OpenStudy (anonymous):

it's no solution because in the multiple choices there is not a "((x-7) (x+1)

OpenStudy (anonymous):

a. (-1,1) and (-7,-23) b. (-1,1) and (7,33) c. (-1,33) and (7,1) d. no solution

OpenStudy (moongazer):

The answer is actually c

OpenStudy (moongazer):

i'll explain it later brb :)

OpenStudy (anonymous):

okay thanks :)

OpenStudy (moongazer):

x= -1 x=7

OpenStudy (matt101):

Saw I was mentioned a few comments back...still need help with the question?

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