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2 questions attached in picture, #3 does not need to m=be answered, just 1 and 3 you in advance!

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

-14 is the answer

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