1.

Write the factors of 4x^3 - x

Answer»

Answer:

4x3+3x2y−9xy2+2y3

=4x3−4x2y+7x2y−7xy2−2xy2+2y3

=4x2(x−y)+7XY(x−y)−2y2(x−y)

=(x−y)(4x2+7xy−2y2)

=(x−y)(4x2+8xy−xy−2y2)

=(x−y)(4x−y)(x+2y)



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