posted by .

Solving quadriatic equaitons using factoring.


The answer in the book is -3,3.

I have tried to work the problem several times. I am not getting this answer.

  • Algebra -

    4x^2 = 36
    x^2 = 9
    x = ±3

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Algebra

    I am solving sytems of equations algrbraically. I have tried several times and I am not comming up with he answers for the following three equations that the book gives. 1) 4x-2y=-5 -x+2y=2 Answer in book: -1,1/2 2) -5x+2y=10 5x-3y=-10 …
  2. Algebra

    I am solving for sytems of equations using the elimination method. Book says answers are 0,-1. I have tried solving for both x & y using both the 5 and 25 . I am not getting the 0,1 as my answer. 5x-5y=5 25x-25y=22
  3. Algebra

    Solving for the sytems of equiation using the elimination method. Book gives answers 3,2. I have tried using all the numbers to solve for x and y. I do get the 3,2. Don't know if this is another error in the book. 8x-4y=16 4x+5y=22
  4. Algebra

    Mutiplying a Binomial by a Trinomial (FOIL) First, Outer, Inner, Last Method (3X+2)(X-1)(X+3) I have tried equation several times. The book says the answer is: 3X 3rd + 8X 2nd - 5X -6 I get: 12X 2nd - 6X + 3X 3rd -4 Not sure if i am …
  5. Algebra

    Dividing Radicals I used this for the redial sign \/ Problem: 30 \/15 _______ 4 \/10 The book says the answer is 15/4 \/6 (15/4 with radicand of 6). I have tried to solve the problem several different ways. I do not arrive at this …
  6. Algebra

    I have this math probelm z-(3z)/(2-z)=(6)/(z-2) in my book it says to solve the equation. I have worked this problem many times and I keep comming up with different answers. When I use an online calculator to check my work it is giving …
  7. math-college algebra

    y-3=1/2(x-6) "finding the value of a variable" x=2 I know the answer is 1, but how do I work the problem to get 1. This problem is in our text book and in the back it states the answer is 1. I tried working the problem serval times …
  8. Algebra

    6x^2+9cx= 6c^2 I tried moving the 6c^2 to the other side of the equation, then factoring (36) to arrive at (6x^2+12cx) (-3cx-6c^2)...then....6x(x+2c) -3c(x+2c)...but I am not getting it?
  9. Algebra 2

    Exponential Notation Simplify. (-2)^0-(-2)^3-(-2)^-1+(-2)^4-(-2)^-2 I tried solving this problem a few times and kept getting random answers. The answer in the book says that it is 25 1/4 I do not understand how you get that answer. …
  10. Physics

    Several volcanoes have been observed erupting on the surface of one of Jupiter's closest moons. Suppose that material ejected from one of these volcanoes reaches a height of 4.96 km after being projected straight upward with an initial …

More Similar Questions