If x2 + x = 19, then what is the value of (x + 5)2 + [1/(x + 5)2 ]?
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Answered by
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Answer:
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Answered by
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The value of required expression is 79.
Step-by-step explanation:
Consider the provided information.
Let (x+5) = a then x = a-5
Substitute the value of x in .
Simplify
Squaring both sides.
Substitute the value of a = x+5.
Hence, the value of required expression is 79.
#Learn more
Find the value of k such that the quadratic polynomial x2-(k+6)+2(2k+1) has sum of the zeros is half of their product.
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