(5X-4)(-4X-3). How to do it in box method and simplify
1 answer:
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Step-by-step explanation:
Any complex number is of the form: where a is real part and B is imaginary part.
Therefore, in given complex number:
7 is real part.
is imaginary part.
Hence, first two options are correct.
Last two options are incorrect because of the following reasons:
is coefficient of
& not
Given number is a difference of a real number and imaginary number & not a sum of a real number and imaginary number.