6x3 + 18x2 + 12x by 2x² + 4x
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Answer:
(6x^3+18x^2+12x)÷2x(x+2)
=[6x(x^2+3x+2)]÷2x(x+2)
=[6x(x^2+2x+x+2)]÷2x(x+2)
=[6x(x(x+2)+1(x+2)]÷2x(x+2)
=(6x)(x+1)(x+2)/2x(x+2)
=3(x+1) is answer.
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