Apply the distributive property for a negative monomial time
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Give an example of using the distributive property for a negative monomial times a trinomial with different signs on the terms [for example: -3x(2xy + 3y - 2x)] and show each step of the distribution. Why do you think many students make sign errors on this type of problem? What would be your advice to a student who has trouble with the signs?
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Solution Summary
This solution explains how distributive property is used when a negative monomial times a trinomial with different signs on the terms.
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-3x(2xy+3y-2x)=(-3x)*(2xy)+(-3x)*(3y)+(-3x)*(-2x)=-6x^2y-9xy+6x^2.
One reason why many students make sign ...
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