SOLUTION: 2x^2 +16= -12x Please help I am so confused

Algebra.Com
Question 263091: 2x^2 +16= -12x
Please help I am so confused

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given equation.


Add 12x to both sides.


Notice that the quadratic is in the form of where , , and


Let's use the quadratic formula to solve for "x":


Start with the quadratic formula


Plug in , , and


Square to get .


Multiply to get


Subtract from to get


Multiply and to get .


Take the square root of to get .


or Break up the expression.


or Combine like terms.


or Simplify.


So the solutions are or

RELATED QUESTIONS

I need help with this trinomial problem. Factor the following trinomial by grouping:... (answered by jim_thompson5910)
Please help me. I am confused. How do I solve these by factoring? 3x^2 -2x = 0 and (answered by ankor@dixie-net.com)
I am so confused with this. Please help. Graph y=log(base... (answered by stanbon)
I am so confused, can you please help me with this question: {{{f(x)=-x^2-3x+5}}}... (answered by Earlsdon)
y={{{(2x)/(x^2-3x)}}} Hi! For this problem, what would the domain be? I am so... (answered by eggsarecool)
the instructions say to factor; 2x^5 + 6x^4 - 8x^3 Oh please help i am getting so... (answered by stanbon,tutorcecilia)
I don't know why I am so confused. I need help with this problem. 16. 3x2-2x... (answered by adamchapman)
Help I am factoring polynomals and this one has me stumped! 2x-3=8x^3-12x^2 please... (answered by sudhanshu_kmr)
i have a math proublem 2x+3(x-2)=5, after alot of work i get here 5x-6=5 so my question (answered by MathLover1,Tatiana_Stebko)