anonymous
  • anonymous
Choose the value for x that makes the open sentence true. 7 + 6 • x = 4 to the second power + x to the second power 5 4 3 2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
i did work for them all and got answers but none of them math im stuck :(
anonymous
  • anonymous
match*
ivettef365
  • ivettef365
are you sure the problem is written correctly ?

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More answers

anonymous
  • anonymous
oops hold
anonymous
  • anonymous
its 4 to the second power and x to the second power
anonymous
  • anonymous
Thanks!
austinL
  • austinL
\(\large{7+6x=4^2+x^2}\)
austinL
  • austinL
And that is incorrect.
ivettef365
  • ivettef365
ok try to substitute the x for each number to see which one is true
Jamierox4ev3r
  • Jamierox4ev3r
@zkrup please do not provide answers, it is against protocol !! read this: http://openstudy.com/code-of-conduct
austinL
  • austinL
Get all of the values onto one side of the equality. \(\large{x^2-6x+9=0}\)
austinL
  • austinL
And then you need to factor.
ivettef365
  • ivettef365
first try 5 and you have 7 + 6*5 = 4^2 + 5^2 7 + 30 = 16 + 25 37 = 41 not true try the other numbers
austinL
  • austinL
@ivettef365 A better way than guess and check is a mathematical method.
anonymous
  • anonymous
thanks to everyone

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