What is the answer to |x^2-9|+|x^2-x-21|=0 ?

The answer to |x^2-9|+|x^2-x-21|=0 is No Solution for x\in\mathbb{R}

Solve for x: |x^2-9|+|x^2-x-21|=0

The solution is No Solution for x\in\mathbb{R}

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x^{2} - 9 + x^{2} - x - 21 = 0

No Solution for x \in R

Solution steps

x^{2} - 9 + x^{2} - x - 21 = 0

Find positive and negative intervals

x \leq \frac{- 85 + 1}{2}, \frac{- 85 + 1}{2} < x \leq - 3, - 3 < x < 3, 3 \leq x < \frac{85 + 1}{2}, x \geq \frac{85 + 1}{2}

Solve the inequality for each interval

No Solution for x \in R

\frac{4 - 2 x}{3 x + 4} \leq 0

a^{2} = - 49

\frac{130.1724375 - 124}{4.1 - 4}

x^{2} - 8 x - 128 = 0

\frac{25 - 3}{25}

What is the answer to |x^2-9|+|x^2-x-21|=0 ?
The answer to |x^2-9|+|x^2-x-21|=0 is No Solution for x\in\mathbb{R}
Solve for x: |x^2-9|+|x^2-x-21|=0
The solution is No Solution for x\in\mathbb{R}