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Mathematics 13 Online
OpenStudy (secret-ninja):

Am I right? Quadratics.

OpenStudy (secret-ninja):

OpenStudy (kainui):

Show me your best attempt and I'll help you figure it out. =)

OpenStudy (secret-ninja):

I'm pretty sure its C.

OpenStudy (mathmath333):

the first thing u should do is divide the whole equation by \(\huge 3\)

OpenStudy (mathmath333):

\(\large \begin{align} \color{black}{3x^2+18x+15=0\hspace{.33em}\\~\\ x^2+6x+5=0\hspace{.33em}\\~\\}\end{align}\) see if it makes sense

OpenStudy (secret-ninja):

\[3(x+3)^2-12=0\]

OpenStudy (secret-ninja):

It intersects at x points -5 and -1 so it is C, right?

OpenStudy (mathmath333):

yes it is but how u got that one

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