Question
Solve the equation(The real numbers system)
x∈/R
Evaluate
x4=(2x−8)×2
Evaluate
x4=2(2x−8)
Expand the expression
More Steps

Evaluate
2(2x−8)
Apply the distributive property
2×2x−2×8
Multiply the numbers
4x−2×8
Multiply the numbers
4x−16
x4=4x−16
Move the expression to the left side
x4−(4x−16)=0
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
x4−4x+16=0
Solution
x∈/R
Show Solution

Solve the equation(The complex numbers system)
x1≈−1.424972+1.652971i,x2≈−1.424972−1.652971i,x3≈1.424972+1.152727i,x4≈1.424972−1.152727i
Evaluate
x4=(2x−8)×2
Multiply the terms
x4=2(2x−8)
Expand the expression
More Steps

Evaluate
2(2x−8)
Apply the distributive property
2×2x−2×8
Multiply the numbers
4x−2×8
Multiply the numbers
4x−16
x4=4x−16
Move the expression to the left side
x4−(4x−16)=0
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
x4−4x+16=0
Calculate
x≈1.424972−1.152727ix≈1.424972+1.152727ix≈−1.424972−1.652971ix≈−1.424972+1.652971i
Solution
x1≈−1.424972+1.652971i,x2≈−1.424972−1.652971i,x3≈1.424972+1.152727i,x4≈1.424972−1.152727i
Show Solution
