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Solve the equation $5-2x^3=21$

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 Solution

 Videos

Algebra 2 - Learning to solve rational equations in math class ((x+3)/(x‐2)) + (5/(x^2‐4)) = 1

https://www.youtube.com/watch?v=y8p0Tpn3BcI

Algebra 2 - Solving a factored quadratic equation using the zero product property, -x(3x + 5) = 0

https://www.youtube.com/watch?v=3on6rsKoK_k

Tutorial - Solving logarithmic equations ex 5, log(5-2x)=0

https://www.youtube.com/watch?v=NaxzQH3eqcw

Algebra 2 - Completing the square to solve a quadratic with irrational solutions, 2x^2 - 10x + 5 = 0

https://www.youtube.com/watch?v=NUNTqnUQHMs

Algebra 2 - solving a rational equation by multiplying by the LCD (x/2) ‐ ((2x‐3)/5) = 1

https://www.youtube.com/watch?v=5VjEh8m5zfM

Tutorial - Solving a rational Equation ex 6, 4/2x = 5/(x+6)

https://www.youtube.com/watch?v=trKSTwmv2ss

 Function Plot

Plotting: $5-2x^3-21$

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7

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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

D^□_x

∫

∫^◻

|◻|

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: Equations

In mathematics, an equation is a statement of an equality containing one or more variables. Solving the equation consists of determining which values of the variables make the equality true. In this situation, variables are also known as unknowns and the values which satisfy the equality are known as solutions.

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