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Mathematics 19 Online
OpenStudy (anonymous):

Which of the following is a solution of 3x2 = 7x - 3?

OpenStudy (anonymous):

OpenStudy (skullpatrol):

Any ideas?

OpenStudy (anonymous):

start with \[3x^2-7x+3=0\] and then use the quadratic formula \[x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\] with \[a=3,b=-7,c=3\]

OpenStudy (skullpatrol):

That^ is one.

OpenStudy (skullpatrol):

But I want to hear about YOUR ideas :)

OpenStudy (anonymous):

is it the first one?

OpenStudy (skullpatrol):

Why?

OpenStudy (skullpatrol):

Think about why you said that..

OpenStudy (anonymous):

nevermind, i think it's the last one! Because i used the formula & thats what i got.

OpenStudy (skullpatrol):

Now you are doing mathematics.

OpenStudy (anonymous):

am i right?!

OpenStudy (anonymous):

yes

OpenStudy (skullpatrol):

Convince yourself.

OpenStudy (anonymous):

lol im right. thank you

OpenStudy (skullpatrol):

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