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Which equation is equivalent to square root x^2+81 =x+10

Which equation is equivalent to square root x^2+81 =x+10-example-1
User DaveIt
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1 Answer

2 votes

Answer:

x² +81 = x² +20x +100

Explanation:

Square both sides of the original equation:

(√(x² +81))² = (x +10)²

x² +81 = x² +20x +100

User Brg
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