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Lesechka [4]
3 years ago
9

Find the value of c that makes each trinomial a perfect square. Then write the trinomial as a perfect square.

Mathematics
1 answer:
musickatia [10]3 years ago
3 0

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

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