Express x^2-8x+20 in the form (x-a)^2+a where a is an integer

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asked Aug 25, 2021 175k views

2 votes

Express x^2-8x+20 in the form (x-a)^2+a where a is an integer

Mathematics
high-school

Dulacp asked

by Dulacp

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2 Answers

3 votes

Answer:

(x-4)^2+4

Explanation:

$x^2 - 8x + 20\\**********************************\\(8)/(2) =( 4 )^2 = 16 \\\\20 - 16 = 4\\**********************************\\x^2 - 8x + 16 + 4\\(x-4)^2+4$

Marstran answered Aug 27, 2021

by Marstran

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2 votes

Answer:

(x-4)²+4

Explanation:

Modermo answered Aug 31, 2021

by Modermo

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