in-the-following-equation-solve-for-x-9x4-14x2-8-0

Question

In the following equation, solve for $$x.9x^{4}$$ $$+14x^{2} -8 = 0$$

Accepted Answer

Solution set: {-2/3, 2/3}

Answer

Solution set: {-√2, -2/3, 2/3, √2}

Answer

Solution set: {-√2, √2}

Answer

No solution

In the following equation, solve for x.9x4 +14x2 -8 = 0