what expression is equivalent to -12x -30y + 18
We obviously don't see your choices, but I would write
-12x -30y + 18 as
-6(2x + 5y - 3)
To find an equivalent expression for -12x - 30y + 18, you can simplify it by rearranging the terms. Since 18 is a constant term, it doesn't need any rearrangement. However, the variable terms -12x and -30y can be combined to obtain the equivalent expression.
The final expression can be found by combining like terms:
-12x - 30y + 18
To combine -12x and -30y, you can add them together since they have the same variables. The sum of -12x and -30y is -12x - 30y.
So, the equivalent expression would be:
-12x - 30y + 18
(Combined terms)
-12x - 30y + 18