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1398.2. Equation roots.

Write the correct answer!

With what is equal number, which roots is one of the equations x^{2}-4=x^{2}+2x and x^{2}=4
Equation and their solution
Equation roots

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Identical expressions.
  2. Algebra: Function
  3. Algebra: Concept of equation.
  4. Algebra: Degree with negative index
  5. Algebra: Fraction (division) basic properties
  6. Algebra: Proportionality factor k
  7. Algebra: Abscissa axis
  8. Algebra: Polynomial.
  9. Algebra: Mathematical expression. Algebraic expression.
  10. Geometry: Opposite, adjacent angles, perpendiculars against a straight line.
  11. Algebra: Numerical equalities.
  12. Algebra: Coordinate plane
  13. Algebra: Linear function y = kx + b
  14. Geometry: Concept definition, concept sign.
  15. Algebra: Mathematics expression. Algebraic expression.
  16. Algebra: Similar monomials
  17. Algebra: Connection concept
  18. Geometry: Angle, angle edges and peak, value, degree, measurement.
  19. Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
  20. Algebra: Percent and proportions
  21. Algebra: Ordinate axis
  22. Geometry: Point belongs (or not) to the straight line (beam, line segment), half-plane, crossed straight lines, beam, opposite beams, line segment, properties.
  23. Algebra: Numerical expression.
  24. Algebra: Diagram y = kx + b (drawing)
  25. Algebra: Polynomial normal form.
  26. Algebra: Trinomial.
  27. Algebra: Functions expression with formula, table, diagram
  28. Geometry: Broken line and elements, elementary broken line, closed broken line, broken lines length, polygon, angles, edges peaks, diagonal, polygon perimeter.
  29. Algebra: Coordinate beginning point
  30. Algebra: Equation roots.
  31. Algebra: Contracted multiplication formula: addition and subtraction square; square difference.
  32. Algebra: Numerical inequalities and their properties.
  33. Algebra: Equivalent inequalities
  34. Algebra: Number gap and their types.
  35. Algebra: Concept of equation.
  36. Algebra: Subscript concept: base, index, degree
  37. Algebra: Linear equations ax + b = 0, where a, b ∈ Q.
  38. Algebra: Function y = x²
  39. Algebra: Proportionality factor k
  40. Geometry: Triangle and its elements, angle opposite and adjacent edge, opposite and adjacent angle in triangle. Triangle median, bisector, height, triangle inequality.
  41. Algebra: Numerical inequalities and their properties.
  42. Algebra: Number gap and their types.