College Math

Simplify the algebraic expression
3xz + 4xy – 2yz + xy + 5yz – 9xz
and evaluate it for x = 3, y = -2, z = -5.
Identify the variables, constants, and coefficients in the simplified expression.

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  1. simplified (just a bit)
    x(5y-6z) + 3yz

    3(-10+30) + 3(-2)(-5) = 90

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