Question
Solve the equation(The real numbers system)
x1≈−1.822504,x2≈2.191726
Evaluate
2x−21−x=3x3x−6
Subtract the terms
More Steps

Evaluate
2x−x
Collect like terms by calculating the sum or difference of their coefficients
(2−1)x
Subtract the numbers
x
x−21=3x3x−6
Evaluate
More Steps

Multiply the terms
3x3x
Multiply the terms
3x3×x
Multiply the terms
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Evaluate
x3×x
Use the product rule an×am=an+m to simplify the expression
x3+1
Add the numbers
x4
3x4
x−21=3x4−6
Multiply both sides of the equation by LCD
(x−21)×6=(3x4−6)×6
Simplify the equation
More Steps

Evaluate
(x−21)×6
Apply the distributive property
x×6−21×6
Simplify
x×6−3
Use the commutative property to reorder the terms
6x−3
6x−3=(3x4−6)×6
Simplify the equation
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Evaluate
(3x4−6)×6
Apply the distributive property
3x4×6−6×6
Simplify
x4×2−6×6
Use the commutative property to reorder the terms
2x4−6×6
Multiply the numbers
2x4−36
6x−3=2x4−36
Move the expression to the left side
6x−3−(2x4−36)=0
Subtract the terms
More Steps

Evaluate
6x−3−(2x4−36)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
6x−3−2x4+36
Add the numbers
6x+33−2x4
6x+33−2x4=0
Solution
x1≈−1.822504,x2≈2.191726
Show Solution

Solve the equation(The complex numbers system)
x1≈−0.184611+2.024024i,x2≈−0.184611−2.024024i,x3≈−1.822504,x4≈2.191726
Evaluate
2x−21−x=3x3x−6
Subtract the terms
More Steps

Evaluate
2x−x
Collect like terms by calculating the sum or difference of their coefficients
(2−1)x
Subtract the numbers
x
x−21=3x3x−6
Multiply the terms
More Steps

Multiply the terms
3x3x
Multiply the terms
3x3×x
Multiply the terms
More Steps

Evaluate
x3×x
Use the product rule an×am=an+m to simplify the expression
x3+1
Add the numbers
x4
3x4
x−21=3x4−6
Multiply both sides of the equation by LCD
(x−21)×6=(3x4−6)×6
Simplify the equation
More Steps

Evaluate
(x−21)×6
Apply the distributive property
x×6−21×6
Simplify
x×6−3
Use the commutative property to reorder the terms
6x−3
6x−3=(3x4−6)×6
Simplify the equation
More Steps

Evaluate
(3x4−6)×6
Apply the distributive property
3x4×6−6×6
Simplify
x4×2−6×6
Use the commutative property to reorder the terms
2x4−6×6
Multiply the numbers
2x4−36
6x−3=2x4−36
Move the expression to the left side
6x−3−(2x4−36)=0
Subtract the terms
More Steps

Evaluate
6x−3−(2x4−36)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
6x−3−2x4+36
Add the numbers
6x+33−2x4
6x+33−2x4=0
Calculate
x≈−1.822504x≈−0.184611−2.024024ix≈−0.184611+2.024024ix≈2.191726
Solution
x1≈−0.184611+2.024024i,x2≈−0.184611−2.024024i,x3≈−1.822504,x4≈2.191726
Show Solution
