Question

Which equation is equivalent to startroot x^2 + 81 EndRoot = x + 10?

Answer 1

The answer is D on egdge2020

Answer 2

Answer:given below

Explanation:

sqrt x^2 +81= x + 10

x^2 + 81 = (x+10)^2

x^2 + 81 = x^2 + 20x + 100

so answer is:

x^2 + 81 = x^2 +20x + 100

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