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Cube root equations

Solve the first problem 18 problems

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  1. Cube root plus square root equation ●●○○○ 20 ptsSolve the equation x3+x+12=0\sqrt[3]{x} + \sqrt{x+12} = 0 for xx.
  2. Equation with square and cube roots ●●○○○ 20 ptsSolve the equation x+x3x−x3=3\frac{\sqrt{x}+\sqrt[3]{x}}{\sqrt{x}-\sqrt[3]{x}}=3 for real xx.
  3. Fractional-power equation with substitution ●●○○○ 20 ptsSolve the equation (x−2)2/3+(x−2)1/3−2=0(x - 2)^{2/3} + (x - 2)^{1/3} - 2 = 0, using real cube roots.
  4. Cube root equation for x to the sixth ●●●○○ 50 ptsA positive real number xx satisfies 1−x33+1+x33=1\sqrt[3]{1-x^3} + \sqrt[3]{1+x^3} = 1. Find x6x^6. Round to two decimal places.
  5. Radical equation with cube roots ●●●○○ 50 ptsSolve the equation 9−x+13+7+x+13=4\sqrt[3]{9-\sqrt{x+1}}+\sqrt[3]{7+\sqrt{x+1}}=4.
  6. Equation with cube roots ●●●○○ 50 ptsSolve the equation 2x+13+4−x3=−33\sqrt[3]{2x+1}+\sqrt[3]{4-x}=-\sqrt[3]{3} for xx.
  7. Exponential equation with a cube root ●●●●○ 100 ptsSolve the equation 27x−77⋅3x+63=627^{x}-7 \sqrt[3]{7 \cdot 3^{x}+6}=6.
  8. Solving an equation with cube roots ●●●●○ 100 ptsFind all real solutions to 15x−13+13x+13=4x3\sqrt[3]{15x - 1} + \sqrt[3]{13x + 1} = 4 \sqrt[3]{x}. Round each solution to two decimal places.

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