anonymous
  • anonymous
Solve by factoring the trinomial as a binomial square and then use the square root method. Round to the nearest tenth if necessary. x^2 + 16x + 64 = 81 A. {9, -9} B. {-8, 9} C. {-17, 1} D. no real solution
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Answer B ?
anonymous
  • anonymous
The goal of these problems is to get the left hand side of the equation to be a perfect square and then take the square root of both sides and solve for answers. x^2+16x+64=81 The left side of the equation factors into (x+8)^2 so taking the square root of both sides x+8=+ or - 9 so x= 1 or x= -17

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