SOLUTION: I'm haveing trouble completing this equation...using Q. F.
x=-b+- sq. b^2-4ac/2a
2+2x-x^2=0
The answer is 1+- sq. 3
Algebra.Com
Question 85166: I'm haveing trouble completing this equation...using Q. F.
x=-b+- sq. b^2-4ac/2a
2+2x-x^2=0
The answer is 1+- sq. 3
Answer by ptaylor(2198) (Show Source): You can put this solution on YOUR website!
Lets first multiply each term by -1 to get the quadratic in a more recognizable form:
quadratic in standard form where:
A=1
B=-2
C=-2
Solve using the quadratic formula
and this equals:
which equals:
and this can be written as:
simplifying we get:
and this reduces to:
Hope this helps----ptaylor
RELATED QUESTIONS
solve using Q. F. Formula x=-b+- sq b-4ac/2a
2x^2+x-1=0 the answer is 1/2,1... (answered by Earlsdon)
solve using Q. F. Formula x=-b+- sq b-4ac/2a
2x^2+x-1=0 the answer is 1/2,1... (answered by uma)
solve by using quadratic formula (((6x2+3x-18=0)))
my answer is x=-2 3/2
-b+- sq root... (answered by lazi)
solve by using quadratic formula (((6x2+3x-18=0)))
my answer is x=-2 3/2
-b+- sq root... (answered by Earlsdon,Alan3354)
Roots
A.)Find each root
- sq root 25
B) Quotient Rule for Radicals
Simplify... (answered by solver91311)
IN MY ALGEBRA 2 BOOK ON PAGE 296 I'M HAVING A HARD TIME UNDERSTANDING HOW I FIND THE... (answered by Earlsdon)
An equation in standard form is ax^2+bx+c=0
Solve equation by completing the square and... (answered by richard1234)
I couldn't work letter C and #2, please assist.
Please check the rest of the work and... (answered by yuendatlo,solver91311)
solve by using the quadratic formula and checking solution
x^2-3x+4=0... (answered by josgarithmetic)