SOLUTION: I need help with this: 2x^2+5=77 Thanks

Question 1036502: I need help with this: 2x^2+5=77 Thanks
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
I need help with this: 2x^2+5=77 Thanks
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

1.   =   --->  (distract 5 from both sides)  --->

2.   = .    --->  (divide both sides by 5)  --->

3.   = .      --->  (take the square root from both sides)  --->

4.  x = +/-6.

Answer.  x = 6  and/or  x = -6.

RELATED QUESTIONS
I need help with this equation :... (answered by Alan3354)

I need help with this equation:... (answered by Alan3354)

I need help figuring this out with long divison...Thanks (2x^3 - 3x^2 + 2x -4 divided... (answered by jim_thompson5910)

I need help solving this problem. Thanks... (answered by funmath)

I need help please: {{{2x^2+9x-5=0}}}... (answered by bonster,drglass,JimMarshall)

I need help with this: x^2=18x - 81... (answered by ankor@dixie-net.com)

I need help with this: x^2+5x=6... (answered by josgarithmetic)

I need help with this please... (answered by richard1234)

Perform the indicated divisions. x^2 - 2x - 35 / x + 5 I am a little confused with... (answered by jim_thompson5910)