Question
Solve the equation(The real numbers system)
x≈1.456164
Evaluate
x3−2(x−3)=2x3
Move the expression to the left side
x3−2(x−3)−2x3=0
Subtract the terms
More Steps

Evaluate
x3−2x3
Collect like terms by calculating the sum or difference of their coefficients
(1−2)x3
Subtract the numbers
−x3
−x3−2(x−3)=0
Calculate
More Steps

Evaluate
−2(x−3)
Apply the distributive property
−2x−(−2×3)
Multiply the numbers
−2x−(−6)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−2x+6
−x3−2x+6=0
Solution
x≈1.456164
Show Solution

Solve the equation(The complex numbers system)
x1≈−0.728082−1.894812i,x2≈−0.728082+1.894812i,x3≈1.456164
Evaluate
x3−2(x−3)=2x3
Move the expression to the left side
x3−2(x−3)−2x3=0
Subtract the terms
More Steps

Evaluate
x3−2x3
Collect like terms by calculating the sum or difference of their coefficients
(1−2)x3
Subtract the numbers
−x3
−x3−2(x−3)=0
Calculate
More Steps

Evaluate
−2(x−3)
Apply the distributive property
−2x−(−2×3)
Multiply the numbers
−2x−(−6)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−2x+6
−x3−2x+6=0
Calculate
x≈1.456164x≈−0.728082+1.894812ix≈−0.728082−1.894812i
Solution
x1≈−0.728082−1.894812i,x2≈−0.728082+1.894812i,x3≈1.456164
Show Solution
