anonymous
  • anonymous
Solve the quadratic equation x2 - 4x + 57 = -5 by completing the square.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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saifoo.khan
  • saifoo.khan
Do you know how to do the completing square?
saifoo.khan
  • saifoo.khan
Learn here: https://www.khanacademy.org/math/algebra/quadratics/completing_the_square/v/completing-the-square
anonymous
  • anonymous
Determine the number of solutions of 2x2 + 3x = 0.

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saifoo.khan
  • saifoo.khan
For this problem. Do you know how to factor?
anonymous
  • anonymous
if middle term is -4x and perfect square is like: \[x ^{2} - 2ax + a ^{2}\] you know that -4x = -2ax then a=2 you need an \[a ^{2}\] added at the end, but you need to add it in both sides of equation do you got it?

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