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Factor out the greatest common monomial: 12x3 + 15x2 - 21x. show steps please.
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Factor out the greatest common monomial: 12x3 + 15x2 - 21x.

show steps please.

User Gubatron
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12x³ + 15x² - 21x = 3x (4x² + 5x - 7)

Answer: The greatest common monomial is 3x
User Erikson Murrugarra
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The greatest common monomial is 3x by observation. This gives 3x(4x^2 + 5x - 7).
User Ivan Rubinson
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