SOLUTION: how do i make an equation with the solutions being -3i 3i and 4
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Question 1007671
:
how do i make an equation with the solutions being -3i 3i and 4
Answer by
fractalier(6550)
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If these are the roots, then
(x + 3i)(x - 3i)(x - 4) = 0
is the equation in question.
Just multiply this out and get
(x^2 + 9)(x - 4) =
x^3 - 4x^2 + 9x - 36 = 0