Answer:
3(x+12)
Step-by-step explanation: you use a window washer.first you times 3 times x which 1 alone is a 1 so x 3x1. then x 3 times 3x12 and you get 36.so your answer is 3(x+36)
Answer: 3x plus 36
Explanation:
You multiply inside the brackets by 3 and you get 3x+36
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