3 years ago

What is the missing constant term in the perfect square that starts with x^2 -20x

Mathematics

1 answer:

lidiya [134]3 years ago

7 0

Answer:

Missing constant: 100

Step-by-step explanation:

perfect square (a - b)^2 = a^2 - 2ab + b^2

In this case

20x = 2 * x * 10

and

10^2 = 100

(x - 10)^2 = x^2 - 20x + 100

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