You must have JavaScript enabled to use this site.
Expand menu
menu_open
Minimize
Start chapters
Home
History
history
History
expand_more
{{ item.displayTitle }}
navigate_next
No history yet!
Progress & Statistics
equalizer
Progress
expand_more
Student
navigate_next
Teacher
navigate_next
filter_list
{{ filterOption.label }}
{{ item.displayTitle }}
{{ item.subject.displayTitle }}
arrow_forward
No results
{{ searchError }}
Choose book
search
cancel
menu_open
{{ courseTrack.displayTitle }}
{{ statistics.percent }}%
Sign in to view progress
{{ printedBook.courseTrack.name }}
{{ printedBook.name }}
Get free trial
search
Use offline
Tools
apps
Login
account_circle
menu_open
Solving Quadratic Equations with Square Roots
Choose Course
Algebra 1
Quadratic Equations
Solving Quadratic Equations with Square Roots
expand_more
close
Solving Quadratic Equations with Square Roots 1.20 - Solution
arrow_back
Return to Solving Quadratic Equations with Square Roots
To solve the given
equation
by taking
square roots
, we need to consider the positive and negative solutions.
x
2
−
5
5
=
2
6
AddEqn
LHS
+
5
5
=
RHS
+
5
5
x
2
=
8
1
SqrtEqn
LHS
=
RHS
x
=
±
8
1
CalcRoot
Calculate root
x
=
±
9
We found that
x
=
±
9
.
Therefore, there are two solutions for the equation,
x
=
9
and
x
=
-
9
.