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Popular >

factor (x+i)(x-i)

Solution

factor

(x + i) (x - i)

Solution

x^{2} + 1

Solution steps

(x + i) (x - i)

Apply complex arithmetic rule:

(a + bi) (a - bi) = a^{2} + b^{2}

a = x, b = 1

= x^{2} + 1^{2}

Simplify

x^{2} + 1^{2} : x^{2} + 1

= x^{2} + 1

Popular Examples

simplify (27\sqrt[3]{z^2})^{1/3}simplify

simplify 120/72*9 simplify

\frac{120}{72} \cdot 9

- x^{2} + 14 x = 48

simplify (a^{1/2}*b^{1/3})^{1/2}simplify

(a^{\frac{1}{2}} \cdot b^{\frac{1}{3}})^{\frac{1}{2}}

2 x - 7 = - 3 x + 18

Frequently Asked Questions (FAQ)

What is factor (x+i)(x-i) ?
The solution to factor (x+i)(x-i) is x^2+1