2(4x + 6)
4(2x + 3)
^distributive property. if you solve them you will find that they equal 8x + 12
hope this helps :)
Answer:

Step-by-step explanation:
Given function that shows the area of the opening,

If 
Hence, the area of the opening would be,






Answer:
-14
Step-by-step explanation:
I can't see your answer options, but the answer to this question is x + 12 cm.
We can find this because if the length is 12 cm longer than the width, and the width is 'x' cm, the length has to be x + 12 cm, because this is how you represent something being 12 more than a width. For example, 12 more than 6 is 12 + 6 = 18.
I hope this helps!
Answer:
Adding positive 4
Step-by-step explanation:
-20+4=-16 and so on