Asked by Preia
For each of the following , simplify by combining like terms :
4x^3y+5x(6xy-7y^2) - 8y(9x^2-10xy) - 11xy^2
4x^3y+5x(6xy-7y^2) - 8y(9x^2-10xy) - 11xy^2
Answers
Answered by
Steve
first expand:
4x^3y+30x^2y-35xy^2-72x^2y+80xy^2-11xy^2
then combine:
4x^3y-42x^2y-34xy^2
4x^3y+30x^2y-35xy^2-72x^2y+80xy^2-11xy^2
then combine:
4x^3y-42x^2y-34xy^2
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