SOLUTION: i need your help! Can you help me solve this equation?
Solve 2x(x+4)(4x-9)=0
Algebra.Com
Question 189076: i need your help! Can you help me solve this equation?
Solve 2x(x+4)(4x-9)=0
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.
, , Set each factor equal to zero (use the zero product property)
----------------------
Let's solve the first equation:
Start with the first equation.
Divide both sides by 2.
Reduce
So the first solution is
----------------------
Let's solve the second equation:
Start with the second equation.
Subtract 4 from both sides.
So the second solution is
----------------------
Let's solve the third equation:
Start with the third equation.
Add 9 to both sides.
Divide both sides by 4.
So the third solution is
========================================
So the three solutions are , , or (note: the order of the solutions does not matter)
RELATED QUESTIONS
Hello. Can you please help me?
I need to solve this equation..
x^6-9x^4-x^2+9=0... (answered by stanbon)
Hello. Can you please help me?
I need to solve this equation..
x^6-9x^4-x^2+9=0... (answered by nerdybill,rapaljer)
Can you please help me solve this problem?
5/2x+1/4x=7/4+x
Thank you so much; I... (answered by RAY100)
I need to solve these quadratic equations using the method that came from India. I am... (answered by solver91311)
I need to solve this equation using substitution
-x-y-z=-8
-4x+4y+5z=7
2x+2z=4
i am... (answered by Alan3354,Edwin McCravy)
Solve
a) |x^2+4x-40|=5
b) |2x^2+5x+9| =0
Can you please help me? I really don't get... (answered by josgarithmetic)
I need your help how do you solve x^2-2x-9=0
(answered by mathgeek102)
Need to solve this equation, can anyone help.
5/2x + 1/4x = 3/4 +... (answered by mangopeeler07)
Thank you so much for your help! Can you please help me solve the equation....
42x +... (answered by jim_thompson5910)