x⁴+2x³-8x² by splitting the middle term
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Answer:
Please refer to the attachment.
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Step-by-step explanation:
x⁴+4x³-2x³-8x²
=x³(x+4)-2x²(x+4)
=(x³-2x²)(x+4)
=x²(x-2)(x-4)
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