Answer:
the answer is A
Step-by-step explanation:
hope it worked
Answer:
x(3 + 9) = 3x + 9x = 12x
Step-by-step explanation:
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This is a Function cause x doesn't repeat
Answer:
the picture is not clear
Step-by-step explanation:
The student made error in step 2 because negative multiplied by positive is negative. Also negative multiplied by negative is positive