Which expression shows the sum of the polynomials with like terms grouped together? open paren 8 x plus 3 z minus 8 z squared close paren plus open paren 4 y minus 5 z close paren

The like terms are 3z and −5z because both have the same variable, z, to the same power. The other terms, 8x, 4y, and −8z², are not like terms with each other, so they stay separate. Choice A groups 3z and −5z together.

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