Solve the equation $x\cdot x+81=0$

Step-by-step Solution

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Final answer to the problem

$x=9i,\:x=-9i$
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Step-by-step Solution

How should I solve this problem?

  • Find the integral
  • Solve for x
  • Find the derivative using the definition
  • Solve by quadratic formula (general formula)
  • Simplify
  • Find the derivative
  • Factor
  • Factor by completing the square
  • Find the roots
  • Find break even points
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When multiplying two powers that have the same base ($x$), you can add the exponents

$x^2+81=0$

Learn how to solve one-variable linear equations problems step by step online.

$x^2+81=0$

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Learn how to solve one-variable linear equations problems step by step online. Solve the equation xx+81=0. When multiplying two powers that have the same base (x), you can add the exponents. We need to isolate the dependent variable x, we can do that by simultaneously subtracting 81 from both sides of the equation. Canceling terms on both sides. Removing the variable's exponent.

Final answer to the problem

$x=9i,\:x=-9i$

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Solving a math problem using different methods is important because it enhances understanding, encourages critical thinking, allows for multiple solutions, and develops problem-solving strategies. Read more

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Function Plot

Plotting: $x\cdot x+81$

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1
2
3
4
5
6
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

How to improve your answer:

Main Topic: One-variable linear equations

Algebraic equations that have just one variable.

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