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quadratic formula
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Expression 7: left parenthesis, negative StartFraction, "b" Over 2 , EndFraction , , right parenthesis
−
b
2
,
7
Expression 8: "x" equals StartFraction, negative "b" minus StartRoot, "b" squared minus 4 "a" "c" , EndRoot Over 2 "a" , EndFraction
x
=
−
b
−
b
2
−
4
a
c
2
a
undefined
8
Expression 9: "x" equals StartFraction, negative "b" plus StartRoot, "b" squared minus 4 "a" "c" , EndRoot Over 2 "a" , EndFraction
x
=
−
b
+
b
2
−
4
a
c
2
a
undefined
9
Expression 10:
10
Expression 11:
11
Expression 12:
12
Expression 13:
13
14
powered by
powered by
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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