SOLUTION: Can someone please help with the following:
x^2 - 8x + 5 = 0
Algebra.Com
Question 275246: Can someone please help with the following:
x^2 - 8x + 5 = 0
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.
Notice that the quadratic is in the form of where , , and
Let's use the quadratic formula to solve for "x":
Start with the quadratic formula
Plug in , , and
Negate to get .
Square to get .
Multiply to get
Subtract from to get
Multiply and to get .
Simplify the square root (note: If you need help with simplifying square roots, check out this solver)
Break up the fraction.
Reduce.
or Break up the expression.
So the solutions are or
RELATED QUESTIONS
Can someone please help me with this?
Let f(x) = 3x + 5 and g(x) = x^2 + 2. Find the... (answered by Fombitz)
Can someone help me solve the following?
5/4x +1/8x= 5/8+ x
(answered by mananth)
Please can help me with this simultaneous equation:
0,8x-3,5y=1/2
(answered by Boreal)
Can someone please help me with this problem? I can't get it.
Given f(x) = x^2 8x - 20 (answered by Earlsdon,venugopalramana)
Can someone please help me with this, I'm stuck.
Solve the following inequality. Write... (answered by stanbon)
Hi,
Can someone help me please? I am completely lost.
8x+x(x-2)=0
I need the... (answered by alicealc,nerdybill)
Can someone please help me with this problem.
f(x)=x05... (answered by stanbon,algebra hello)
Hello,
I just want to doublecheck my answers if someone can help me.
Solve the... (answered by jim_thompson5910,Alan3354,edjones)
Can someone please help solve the following system of equations
2y=x+6... (answered by mananth)