Solve x^4-256 - ScanMath

Evaluate

x^{4} - 256

Rewrite the expression in exponential form

(x^{2})^{2} - (25 6^{\frac{1}{2}})^{2}

Use a^{2} - b^{2} = (a - b) (a + b) to factor the expression

(x^{2} - 25 6^{\frac{1}{2}}) (x^{2} + 25 6^{\frac{1}{2}})

Evaluate

More Steps

(x^{2} - 16) (x^{2} + 25 6^{\frac{1}{2}})

Evaluate

More Steps

(x^{2} - 16) (x^{2} + 16)

Solution

More Steps

(x - 4) (x + 4) (x^{2} + 16)

Factor the expression