Answer:
d. c = 100; (x – 10)²
Step-by-step explanation:
Note that (x+a)²=x²+2ax+a².
In our case, 2a=-20, so 'a' must be -10.
Since c=a², and a=-10, c=(-10²)=100.
Since a=-10, the perfect square is (x – 10)²
Answer:
hi im going to work on this i wiil comment answer in a minute
Step-by-step explanation:
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A. 2 .</span>
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77/8= 9.625 and 31/4= 7.75...so 9.625-7.75= 1.875
