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594.2. Identical expression transformation.

Write the correct answer!

We know that this expression 3x2+5 = 113 and x<0. Find x value!
x=
Grade:
7
Subject
Algebra
Theme
Simple algebric expression transformation
Subtheme
Identical expression transformation

Solve tasks to find hidden Geo point coordinates

  1. Algebra: Function y = x²
  2. Algebra: Coordinate axis and point coordinate
  3. Algebra: Similar polynomials.
  4. Algebra: Identical expression transformation.
  5. Algebra: Abscissa axis
  6. Algebra: Quadrant
  7. Geometry: Triangle angle sum, straight angle cathetus, hypotenuse, Right-angled triangle similarity signs.
  8. Algebra: Equivalent equations.
  9. Geometry: Equal triangles, appropriate elementrs, similar properties and signs.
  10. Geometry: Three point mutual arrangement.