bredanativi bredanativi
  • 09-05-2014
  • Mathematics
Answered

solve for x: 2x^2-2x-24=0



Answer :

Lilith
Lilith Lilith
  • 09-05-2014
[tex]2x^2-2x-24=0 \ \ :2\\ \\x^2- x-12=0 \\ \\x^2- x-3x+3x -12=0\\ \\x^2-4x+3x -12=0 \\ \\x(x-4)+3(x-4)=0[/tex]

[tex](x-4)(x+3) =0\\ \\x-4 =0 \ \ or \ \ x+3 =0 \\ \\x=4 \ \ or \ \ x=-3[/tex]


Answer Link

Other Questions

I am confused help me
Which sentence best describes the passage? Pick one of the bold sentences. Friction is a force that opposes the motion of an object. Friction occurs when a sol
The political purpose of the Taft-Hartley Act of 1947 was to      A. strengthen the Wagner Act.B. roll back the provisions of the Wagner Act.C. impose regulati
Graph the equations.... (16) y = -7x + 2 (17) y = 5x + 4 (18) y = -x + 9 (19) y = 1/5x (20) y = -2/3x +1 (21) y = 4/3x - 5
I need help once again with the problem 6x-8x-4y-x+5y-2y
What is your mass in kilograms if you weigh 120 pounds
research the structure of the french society in the 1700s (a bit like the feudal pyramid). find out what kind of people were in the 1st, 2nd and 3rd estate. whi
What is the river that forms a border between Argentina and Uruguay?
Explain why conductors and insulators are both required to construct the electrical wiring in your home
Solve for x. rs/x=1/4