You can put this solution on YOUR website! Can you help me solve this? (-4+9i)(-1-2i)
It's not an equation, nothing to solve.
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Multiply them like any 2 binomials
(-4+9i)(-1-2i) = -4*(-1-2i) + 9i*(-1-2i)
= 4+8i + (-9i-18i^2)
i^2 = -1
= 4+8i + (-9i+18)
= 22 - i
