What is expand (x-13+3i)(x-13-3i) ?

The solution to expand (x-13+3i)(x-13-3i) is x^2-26x+178

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expand (x-13+3i)(x-13-3i)

expand

(x - 13 + 3 i) (x - 13 - 3 i)

x^{2} - 26 x + 178

Solution steps

(x - 13 + 3 i) (x - 13 - 3 i)

Distribute parentheses

= xx + x (- 13) + x (- 3 i) - 13 x - 13 (- 13) - 13 (- 3 i) + 3 i x + 3 i (- 13) + 3 i (- 3 i)

Simplify

xx + x (- 13) + x (- 3 i) - 13 x - 13 (- 13) - 13 (- 3 i) + 3 i x + 3 i (- 13) + 3 i (- 3 i) : x^{2} - 26 x + 178

= x^{2} - 26 x + 178

(x^{2} + 4)^{2} \cdot (\frac{x - 1}{2})

\frac{1}{( 1 - x ^{2} ) ^{3}}

\frac{x ^{2} + 6 x + 5}{( x - 1 ) ( 2 x + 1 )}

\frac{9 ( 253 + 64018 )}{2}

\frac{22 ( 27 s + 1 )}{27 s}

What is expand (x-13+3i)(x-13-3i) ?
The solution to expand (x-13+3i)(x-13-3i) is x^2-26x+178