What is (-15-13i)(-15+13i) ?

The solution to (-15-13i)(-15+13i) is 394

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simplify (-15-13i)(-15+13i)

simplify

(- 15 - 13 i) (- 15 + 13 i)

394

Solution steps

(- 15 - 13 i) (- 15 + 13 i)

Apply complex arithmetic rule:

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

= (- 15)^{2} + (- 13)^{2}

(- 15)^{2} + (- 13)^{2} = 394

= 394

7 \frac{1}{4}

(5 x + 2) (5 x - 2)

8 - 4 (- x + 5)

(x + 6) (x + 1) (x + 4)

lo g_{5} (30)