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What is (x-21)^(2) =28 in simplifed radical form (if necessary)?
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What is
(x-21)^(2) =28 in simplifed radical form (if necessary)?

User Shadyar
by
8.6k points

2 Answers

7 votes

Answer:


x = 26.3 \: or \: x \: = 15.7

Explanation:


(x - 21) ^(2) = 28


(x - 21)(x - 21) = 28


{x}^(2) - 42x + 441 = 28


{x }^(2) - 42x + 441 - 28 = 0


{x}^(2) - 42x - 413 = 0

What is (x-21)^(2) =28 in simplifed radical form (if necessary)?-example-1
User Kiyarash
by
8.0k points
5 votes

Answer:

Explanation:

x=21+2√7

or

x=21-2√7

User Voice
by
8.7k points
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