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Please help, i’ve never been good at this.
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3 votes
Please help, i’ve never been good at this.

Please help, i’ve never been good at this.-example-1
User Arya McCarthy
by
7.9k points

2 Answers

3 votes

Answer:

x=4, x=-10

Explanation:

User KSletmoe
by
8.1k points
3 votes

Answer:

4

Explanation:

As per Pythagorean theorem:

  • 10² = (x+2)² + (x+4)²
  • 100 = x² + 4x + 4 + x² + 8x + 16
  • 100 = 2x² + 12x + 20
  • 80 = 2x² + 12x
  • 40 = x² + 6x
  • x² + 6x - 40 = 0

Solving we get positive root of:

  • x = 4

User Rohan Kumar Thakur
by
7.0k points
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