SOLUTION: can you tell me if i did this problem right?
solve each equation
4x^2 + 8x = 0
x(4x + 8) = 0
x(2x + 2) (4x + 4) =0
x=2 x=-4
Algebra.Com
Question 118221: can you tell me if i did this problem right?
solve each equation
4x^2 + 8x = 0
x(4x + 8) = 0
x(2x + 2) (4x + 4) =0
x=2 x=-4
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation
Factor the left side.
Now set each factor equal to zero:
or
or Now solve for x in each case
So our answer is
or
Notice if we graph we can see that the roots are and . So this visually verifies our answer.
RELATED QUESTIONS
I was just wondering if someone could tell me if I did this correctly or not and if not... (answered by Earlsdon)
Hi Tutors, Can someone see if I did this problem right and if not can you tell me what I... (answered by josmiceli)
I am trying to solve for x in the following equation but cant seem to get it right.... (answered by Fombitz)
Please help me with the following problem
Solve the equation
1/2x2 -4x +8 = 0
this (answered by stanbon)
Please anyone tell me if I got this answers right? Thank you so much!!!
x = -5 and 2x2... (answered by DRichardson)
"Suppose that one leg of a right triangle is 2 feet shorter than the other leg. the... (answered by mananth,jim_thompson5910)
The question says solve:
x(x+1)= -2(x-4)=2
This is what I did, can you tell me if I am... (answered by Earlsdon,bucky)
Can you please help me solve this absolute value inequality?? :)
| 2x + 1 | + | x - 4 |... (answered by solver91311,richard1234)
Can you help me with these i want to make sure i did it all right
(x-5)^2+2(x-5)-35=0... (answered by Alan3354)