SOLUTION: x-squared + 10x - 7 = 0 , completing the square
Algebra
->
Square-cubic-other-roots
-> SOLUTION: x-squared + 10x - 7 = 0 , completing the square
Log On
Algebra: Square root, cubic root, N-th root
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Square-cubic-other-roots
Question 564613
:
x-squared + 10x - 7 = 0 , completing the square
Answer by
ad_alta(240)
(
Show Source
):
You can
put this solution on YOUR website!
1) x^2+10x-7=0
2) [x+(5)]^2=7+25
3) x+5= [+/-] (32)^(1/2)
4)x= -5 [+/-] 4*sqrt(2)