I need to find all real and imaginary roots of this equation: Using synthetic division, I found that 1 is a root. I'm not really sure how to proceed from here. Could someone point me in the right direction?
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Hello, absvalue! Find all real and imaginary roots: . First, factor out . . . . . Factor by grouping: . . . . . . Then we have: . . . . . . . . . .
Hello absvalue Originally Posted by absvalue I need to find all real and imaginary roots of this equation: Using synthetic division, I found that 1 is a root. I'm not really sure how to proceed from here. Could someone point me in the right direction? Take out a common factor from your second factor; you then have a quadratic in , which can be factorised in the usual way: Can you complete it from here? Grandad
Thanks! That makes sense now.
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