What is the missing constant term in the perfect square that starts with x^2 -20x
1 answer:
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
so
(x - 10)^2 = x^2 - 20x + 100
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Step-by-step explanation:
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Step-by-step explanation:
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Step-by-step explanation:
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