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Factor the polynomial: 9x^4 + 18x^3 + 27x^2
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by
WinpossibleUser3564
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Factor the polynomial: 9x^4 + 18x^3 + 27x^2
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Responses
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Given:
9x4 + 18x3 + 27x2
Let's equate it to 0.
9x4 + 18x3 + 27x2 = 0
9x2(x2 + 2x + 3) = 0
9x2 = 0 or x2 + 2x + 3 = 0
9x2= 0
x = 0,0
Now,
x2 + 2x + 3 = 0
As it cannot be factored, use quadratic formula.
By quadratic formula x = -1 + sqrt(2)i, -1 – sqrt(2)i.
So x = 0, -1 + sqrt(2)i, -1 – sqrt(2)i.
Related video links: Quadratic Equation Factorization Method, Quadratic Formula
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by
Winpossible
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Jul 19, 10 09:29PM PST
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