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Chemistry 19 Online
SwaggyMark:

9x^2=-6x

Extrinix:

Okay so to start off, do you understand how to factor equations?

SwaggyMark:

yessir

Extrinix:

Good, now you understand that in order to be able to factor an equation, you must have the left side equal to zero, so you need to "solve" this equation to be equal to zero What would you get?

SwaggyMark:

9x2 + 6x = 0

Extrinix:

Good good, now what number (may include an x) factors into both 9(x) and 6(x)?

Extrinix:

@extrinix wrote:
Good good, now what number (may include an x) factors into both 9(x) and 6(x)?
\(9(x)^2\)*

SwaggyMark:

3x

Extrinix:

Good, so 3x times what will get you the same value as \(9x^2+6x\), just factored?

SwaggyMark:

3x(3x+2)

Extrinix:

Good, so now you take your two factors and set them both equal to zero in two separate equations. What would you get from each of these? (This will be your answer)

SwaggyMark:

0 and -2/3

SwaggyMark:

thanks

Extrinix:

Correct!

Extrinix:

Np

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