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

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

User Dulacp
by
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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

User Marstran
by
7.8k points
2 votes

Answer:

(x-4)²+4

Explanation:

User Modermo
by
7.6k points
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