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Mathematics 22 Online
OpenStudy (anonymous):

please help!

OpenStudy (anonymous):

OpenStudy (anonymous):

When your dividing, how do you find the \[2x^2\] term?

OpenStudy (anonymous):

Does \[(x+3)(A) = (2x^x+C)\] make sense?

OpenStudy (anonymous):

So then \[Ax=2x^2,\text{ and } 3A=C\]

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

wait are you saying the box A and C are 3?

OpenStudy (anonymous):

nope, \[A*x = 2x^2\] and \[3x \ne 2x^2\]

OpenStudy (anonymous):

oh okay

OpenStudy (anonymous):

So A is?

OpenStudy (anonymous):

2x

OpenStudy (anonymous):

yep! and that means C is?

OpenStudy (anonymous):

1?

OpenStudy (anonymous):

\[C = (2x)*3\], since \[(x+3)A=2x^2+C\]

OpenStudy (anonymous):

okay so c is 6x?

OpenStudy (anonymous):

is it -12x^2?

OpenStudy (anonymous):

so \[x*B=3x\] Which means B=3. So E = 6. not D. Earlier is wrong, it should read E.

OpenStudy (anonymous):

okay so a=2x b=3 c=6x e=6 are theses ones right?

OpenStudy (anonymous):

Yep. so now what is the relationship between D,E, and -23?

OpenStudy (anonymous):

-29?

OpenStudy (anonymous):

cuz -29+6=-23

OpenStudy (anonymous):

wait! 3*3 = 9 not 6.

OpenStudy (anonymous):

ohh my bad

OpenStudy (anonymous):

but yes, -?+9=-23

OpenStudy (anonymous):

-32

OpenStudy (anonymous):

-(32)+9=-23... so D = 32

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