x^4 - 16x^2 + 48

the orginal question was -7x^5+112x^3-336x and i simplified it to -7x(x^4-16x^2+48) i don't know where to go from there
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1 Answer

x^4-16x^2+48=(x^2-12)(x^2-4)=(x-2sqrt(3))(x+2sqrt(3))(x-2)(x+2).
by Top Rated User (1.1m points)

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