Answer:
4
Step-by-step explanation:
Answer: C: (x+6)(x-2); 84 square feet.
Step-by-step explanation:
it says that the length of hallway is 6 feet longer than 8 feet i.e 14 feet and width is 2 feet shorter that 8 feet i.e 6 feet.
so the the area will be
so the area of hallway be 14 x 6 i.e 84
and the area of square 8 x 8 i.e 64
Answer:
Given equation:
when we complete the square , we take half of the value of 8 , then square it, and added to the left sides, we get;
∵8 is the value
Notice that, we add this both sides so that it maintains the equality.
then;
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Simplify:
The number must be added to complete the square is,