What is the answer to |4-x^2|=x^2-4 ?

The answer to |4-x^2|=x^2-4 is x = 2

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|4-x^2|=x^2-4

4 - x^{2} = x^{2} - 4

x \leq - 2 or x \geq 2

Solution steps

4 - x^{2} = x^{2} - 4

Find positive and negative intervals

x < - 2, - 2 \leq x \leq 2, x > 2

Solve the inequality for each interval

x < - 2 or (x = - 2 or x = 2) or x > 2

Merge Overlapping Intervals

x \leq - 2 or x \geq 2

7 = ∣ - 9 u ∣ + 7

∣ 4 x ∣ = x + 1

∣ d ∣ + 7 = 7

∣ x + 3 ∣ - 5 = - 4

∣ x + 4 ∣ = 6 x + 3

What is the answer to |4-x^2|=x^2-4 ?
The answer to |4-x^2|=x^2-4 is x<=-2\lor x>= 2
Solve for x: |4-x^2|=x^2-4
The solution is x<=-2\lor x>= 2