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OpenStudy (anonymous):
Find a quadratic equation with roots –1 + 4i and –1 – 4i. Show all your work
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OpenStudy (anonymous):
@mathstudent55
OpenStudy (anonymous):
(x- ( -1+4i ) )*(x-( -1-4i) )
OpenStudy (anonymous):
(x- ( -1+4i ) )(x-( -1-4i) ) = x^2-(-1-4i)-(-1+4i)+(-1+4i)(-1-4i)= ?
OpenStudy (anonymous):
okay I think I figured it out, is the answer x^2 + 2x + 17 = 0
OpenStudy (anonymous):
Yes!
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OpenStudy (anonymous):
okay thank you both
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