Solve 3x-7i^3(x-7u)

Evaluate

3 x - 7 i^{3} (x - 7 u)

Evaluate the power

More Steps

3 x - 7 (- i) (x - 7 u)

Multiply the first two terms

3 x - (- 7 i (x - 7 u))

If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses

3 x + 7 i (x - 7 u)

Expand the expression

More Steps

3 x + 7 i x - 49 i u

Solution

(3 + 7 i) x - 49 i u

Simplify the expression