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Solve the quadratic equation $x^2+2x=15$

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<
>=
<=
sin
cos
tan
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asin
acos
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sinh
cosh
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csch

asinh
acosh
atanh
acoth
asech
acsch

Function Plot

Plotting: $x^2+2x-15$

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7
8
9
0
a
b
c
d
f
g
m
n
u
v
w
x
y
z
.
(◻)
+
-
×
◻/◻
/
÷
2

e
π
ln
log
log
lim
d/dx
Dx
|◻|
θ
=
>
<
>=
<=
sin
cos
tan
cot
sec
csc

asin
acos
atan
acot
asec
acsc

sinh
cosh
tanh
coth
sech
csch

asinh
acosh
atanh
acoth
asech
acsch

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