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What is the solution of StartRoot x squared + 49 EndRoot = x + 5?
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5 votes
What is the solution of StartRoot x squared + 49 EndRoot = x + 5?

User Frik
by
4.6k points

2 Answers

6 votes

Answer:

12/5

Explanation:

User Daan Klijn
by
4.4k points
6 votes

Answer:

2.4

Explanation:

  • √(x² +49) = x + 5
  • (√(x² +49) )²= (x + 5)² ⇒ square of both sides
  • x² + 49 = x² + 10x + 25 ⇒ simplifying, x² get cancelled
  • 10x = 49 -25
  • 10x = 24
  • x= 24/10
  • x= 2.4

Answer is 2.4

User Sixthgear
by
4.6k points
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