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OpenStudy (anonymous):
Solve 2x^2 + 12x = 10. Walk me through each step please?
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Vocaloid (vocaloid):
start by subtracting 10 from each side
OpenStudy (anonymous):
okay. 2x^2 + 2x =0
Vocaloid (vocaloid):
almost
Vocaloid (vocaloid):
2x^2 + 12x - 10 = 0 remember, what we do to one side we must do to the other side
OpenStudy (anonymous):
oh i see. next step?
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Vocaloid (vocaloid):
then we factor out 2 to get 2(x^2 + 6x - 5)
Vocaloid (vocaloid):
this doesn't factor evenly so we need to use the quadratic formula
Vocaloid (vocaloid):
|dw:1445010410367:dw|
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