anonymous
  • anonymous
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Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
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anonymous
  • anonymous
anonymous
  • anonymous
The radical equation is the last equation. All of the other problems are not radical equations because they don't have radical solutions. 1.) √17x−3=19 Add 3 to both sides. √17x−3+3=19+3 √17x=22 Solve Square Root. √17x=22 17x=222 (Square both sides) 17x=484 17x/17 = 484/17 (Divide both sides by 17) x=484/17 2.) √17−3=19x Flip the equation. 19x=1.12 Divide both sides by 19. 19x/19=1.12/19 x=0.06 3.) √17−3x=19 Simplifies to: −3x+4.123106=19 Subtract 4.123106 from both sides. −3x+4.123106−4.123106=19−4.123106 −3x=14.876894 Divide both sides by -3. −3x/−3=14.876894/−3 x=−4.958965 4.) √17x−3x=19 Add 3x to both sides. √17x−3x+3x=19+3x √17x=3x+19 Solve Square Root. √17x=3x+19 17x=(3x+19)^2 (Square both sides) 17x=9x^2+114x+361 17x−(9x2+114x+361)=9x^2+114x+361−(9x^2+114x+361) (Subtract 9x^2+114x+361 from both sides) −9x2−97x−361=0 x=−b±√b2−4ac/2a (Use quadratic formula with a=-9, b=-97, c=-361) x=−(−97)±√(−97)2−4(−9)(−361) / 2(−9) x=97±√−3587 / −18

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