Answer:
-36
Step-by-step explanation: k12
x = 36
Explanation:
Write your equation: -3 (x-y)2
Substitution: -3 (2 - (-4))2
Minuses make a plus: -3 (2+4)2
Parentheses: -3 (6)2
Multiply: -3 x 6 = 18 x 2 = 36
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