What is (2i^2+1)^3+13i^3-12i ?

The solution to (2i^2+1)^3+13i^3-12i is -1-25i

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simplify (2i^2+1)^3+13i^3-12i

simplify

(2 i^{2} + 1)^{3} + 13 i^{3} - 12 i

- 1 - 25 i

Solution steps

(2 i^{2} + 1)^{3} + 13 i^{3} - 12 i

(2 i^{2} + 1)^{3} = - 1

13 i^{3} = - 13 i

= - 1 - 13 i - 12 i

Add similar elements:

- 13 i - 12 i = - 25 i

= - 1 - 25 i

(5 x^{2} + 1)^{10}

5 \times \frac{1}{6}

18 x^{9} - 2 x

(3 + 4 i) (5 - 2 i)

3 (2 x^{3})^{2}