Factor by Grouping 21k^3-84k^2+15k-60

Math
Factor out the GCF of from .
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Factor out the GCF of from each term in the polynomial.
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Factor out the GCF of from the expression .
Factor out the GCF of from the expression .
Factor out the GCF of from the expression .
Factor out the GCF of from the expression .
Since all the terms share a common factor of , it can be factored out of each term.
Factor out the greatest common factor from each group.
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Group the first two terms and the last two terms.
Factor out the greatest common factor (GCF) from each group.
Factor the polynomial by factoring out the greatest common factor, .
Factor by Grouping 21k^3-84k^2+15k-60
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