anonymous
  • anonymous
1. 3a^3 - 14a^2 - 5a =0 2. 8x + 4 =0 3. y^2 + 9y + 14 =0
Mathematics
  • Stacey Warren - Expert brainly.com
Hey! We 've verified this expert answer for you, click below to unlock the details :)
SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
the first one factorize in a(3a^2-14a-5)=0 now from here we have... a=0 or 3a^2-14a-5=0 to solve 3a^2-14a-5=0 you have the quadratic equation... use \[\Large x_{1/2}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\] and you'll have two solutions \[\Large a_1=-\frac13 \quad a_2=5 \quad a_3=0 \quad(\text{a_3 we have taken from principal})\] the second task is easier... 8x+4=0 8x=-4 \[\Large x=-\frac{4}{8} \Longrightarrow x=-\frac12\] now regarding question nr. 3 is similar as part two of the first question ... use quadratic formula and you'll have.... \[\LARGE y_1=-7 \quad \quad y_2=-2\]
anonymous
  • anonymous
|dw:1333395789388:dw|
anonymous
  • anonymous
|dw:1333395858568:dw|

Looking for something else?

Not the answer you are looking for? Search for more explanations.