-8x^5-14x^4+8x^3+14x^2

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1 Answer

Factorise:

2x²(-4x³-7x²+4x+7)=

2x²(-x²(4x+7)+4x+7)=

2x²(4x+7)(1-x²)=

2x²(4x+7)(1-x)(1+x).

Zeroes (x intercepts) are 0, -7/4, 1, -1.

by Top Rated User (1.2m points)

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