Mathematics
7 Online
OpenStudy (anonymous):
Solve 6x^2 = 18x
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OpenStudy (anonymous):
divide both sides by 6, then subtract the 18x so your problem will be set to zero
OpenStudy (anonymous):
how?
OpenStudy (lgbasallote):
@nickhouraney if you divide both sides by 6 then you wouldnt really be subtracting "18x"
OpenStudy (anonymous):
correct
OpenStudy (anonymous):
|dw:1345423851050:dw|
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OpenStudy (anonymous):
how dare you correct me @lgbasallote
OpenStudy (anonymous):
|dw:1345423966938:dw|
OpenStudy (anonymous):
Divide both sides by 6, then divide both sides by x
OpenStudy (lgbasallote):
careful...you cant just simply divide both sides by x...
OpenStudy (anonymous):
soo what do i divide ?? lol
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OpenStudy (anonymous):
divide both sides by 6, subtract the 3x so your problem is set to zero, then factor
OpenStudy (anonymous):
youll get two possible answers, test them out
OpenStudy (anonymous):
I'm not understanding why you cannot divide both sides by x
OpenStudy (anonymous):
Here are the answers guys:
A.)x = 0, x = −3
B.)x = 0, x = 3
C.)x = 6, x = −3
D.)x = 6, x = 3
OpenStudy (anonymous):
0, 3
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OpenStudy (anonymous):
and i divided by 6x then 3x and i didnt get any of those :(
OpenStudy (anonymous):
you didnt do what i said tho
OpenStudy (anonymous):
ok so 6*3^2 is the same as saying 6*9= 54
OpenStudy (anonymous):
18*3 = 54
OpenStudy (anonymous):
6*0^2 is the same as 6*0 = 0
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OpenStudy (anonymous):
18*0 = 0
OpenStudy (anonymous):
Thank you guys soo much!