SOLUTION: Please help me how to solve this quadratic equation.2×^2-98=0

Algebra.Com
Question 1085624: Please help me how to solve this quadratic equation.2×^2-98=0
Found 2 solutions by ikleyn, rothauserc:
Answer by ikleyn(52776)   (Show Source): You can put this solution on YOUR website!
.
 = 0  --->

 = 98

 =  = 49,

x = +/- ,

x = +/- 7.


Answer. There are two solutions: x = 7 and x = -7.

Solved.


Answer by rothauserc(4718)   (Show Source): You can put this solution on YOUR website!
2×^2 - 98 = 0
:
add 98 to both sides of =
:
2x^2 = 98
:
divide both sides of = by 2
:
x^2 = 49
:
take square root of both sides of =
:
x = 7 or -7
:
RELATED QUESTIONS

Please help me to solve this quadratic equation {{{3x - 2 ( x + 3 ) =... (answered by Trontor)
Please help me to solve this equation: Use the Quadratic Formula to solve the equation. (answered by mananth)
Please help show me how to work this problem out..Thank you... solve equation using... (answered by stanbon,Alan3354,Earlsdon,gonzo)
Please help me solve this quadratic equation:... (answered by stanbon)
Please help me solve this quadratic equation:... (answered by mathie123)
-4x^2-9x-6=0 please help me solve this quadratic... (answered by mananth)
Can you please help me solve this equation using quadratic formula?... (answered by KMST)
Can you please help show me how to solve this quadratic equation by completing the square (answered by jim_thompson5910)
Please help show me how to solve this quadratic equation by completing the square. m^2 (answered by scott8148,mathbird)