Find (2+3i)-(-5+8i) also Find (5-9i)(2+3i)
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Originally Posted by Mhockey02 Find (2+3i)-(-5+8i) also Find (5-9i)(2+3i) When adding or subtracting complex numbers add/subtract the real component and the imaginary component separately When multiplying treat it the same as you would with any polynomial. Just recall that
So the answer for the first one is -4 and the second one is 9?
Originally Posted by Mhockey02 So the answer for the first one is -4 and the second one is 9? No, there are no imaginary terms in your answers. For your first one:
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