Work Step by Step
We are given: $x=-1$, $y=2$, $z=-3$ We take into account the order of operations: Parenthesis, Exponents, Multiplication/Division, Addition/Subtraction Thus, we have: $$ (2x+6)(3y-4)=(2(-1)+6)(3(2)-4)\\ =(4)(2)=8 .$$
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